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Spirorbis Stock Photos and Images
RM2A2NHPH–Spirorbis spirorbis, Print, Spirorbis spirorbis is a small (3–4 mm) coiled polychaete that lives attached to seaweeds and eel grass in shallow saltwater
RMF6RRHM–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RM2T6CWNG–Fan worm, Serpula vermicularis 1, polychaete worm, Spirorbis corrugatus 2, tube-building annelid worm, Spirobranchus triqueter 3 and Galeolaria caespitosa 4. Serpula vermicolare, Spirorbe nantiloide, Vermilia triquetra, Galeolaria a cesto. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieu's Dizionario delle Scienze Naturali, Dictionary of Natural Science, Florence, Italy, 1837. Illustration engraved by Corsi, drawn by Jean Gabriel Pretre and directed by Pierre Jean-Francois Turpin, and published by Batelli e Figli. Turpin (1775-1840) is considered one of the greatest F
RM2B9BACE–Fan worm, Serpula vermicularis 1, polychaete worm, Spirorbis corrugatus 2, tube-building annelid worm, Spirobranchus triqueter 3 and Galeolaria caespitosa 4. Serpula vermicolare, Spirorbe nantiloide, Vermilia triquetra, Galeolaria a cesto. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieu's Dizionario delle Scienze Naturali, Dictionary of Natural Science, Florence, Italy, 1837. Illustration engraved by Corsi, drawn by Jean Gabriel Pretre and directed by Pierre Jean-Francois Turpin, and published by Batelli e Figli. Turpin (1775-1840) is considered one of the greatest F
RMP237KJ–295 Spirorbis spirorbis - - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBAINV0274 007 01 0036
RMW7MX9N–Spiral tubeworm (Spirorbis spirorbis) calcareous tubes attached to stems of Toothed wrack (Fucus serratus) exposed at low tide, Crail, Scotland, UK, July.
RMP24KTR–. Planorbis spirorbis 227 Planorbis spirorbis - - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBAINV0274 088 06 0012
RMEBNY4B–Tubeworm, Sinistral spiral tubeworm, Spiral tubeworm (Spirorbis spirorbis), on a brown alga, Germany
RMEBNXFN–Tubeworm, Sinistral spiral tubeworm, Spiral tubeworm (Spirorbis spirorbis), on a brown alga, Germany
RM2A2NCC8–Planorbis spirorbis, Print, Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells
RMEXMXET–Encrusters of a serpulid worm (Spirobranchus polytrema) and tube of Spirorbis species fixed on crab's shell washed on beach
RMF6RRH9–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RM2HDCF0X–Posthörnchen-Röhrenwürmer auf Fels, Spirorbis carinatus / Spirorbis on rock, Spirorbis carinatus
RMF6RPWF–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RF2B924M7–Spirorbis spirorbis, Print, Spirorbis spirorbis is a small (3–4 mm) coiled polychaete that lives attached to seaweeds and eel grass in shallow saltwater., Reimagined by Gibon, design of warm cheerful glowing of brightness and light rays radiance. Classic art reinvented with a modern twist. Photography inspired by futurism, embracing dynamic energy of modern technology, movement, speed and revolutionize culture.
RMW28AMD–Archive image from page 403 of Cuvier's animal kingdom arranged. Cuvier's animal kingdom : arranged according to its organization cuviersanimalkin00cuvi Year: 1840 392 ANNELIDES. like the antlers of a stag. This is the Terebella bicornes, Abeldg., and the Actinia or Animal-flower of Home. M. Savigny has made of it his subdivision of Serpules cymospires, which M. Blainville elevates to the rank of a genus. M. Lamarck distinguishes the Spirorbis, the branchial filaments of which are much less numerous (three or four only on each side) ; their tube is of a tolerably regular spiral form, and th
RM2AM6XXM–Journal of conchology . Anc.lacu5tris l.auricularia Limn.peregra Lim.burnetti L.involuta. Pl.carinatus iPl.complanatus PI.vortex Pl.spirorbis Bath.contorti
RMW7MX9M–Spiral tubeworm (Spirorbis spirorbis) calcareous tubes attached to stems of Toothed wrack (Fucus serratus) exposed at low tide, Crail, Scotland, UK, July.
RMPFWRHW–. Cuvier's animal kingdom : arranged according to its organization. Animals. 392 ANNELIDES. like the antlers of a stag. This is the Terebella bicornes, Abeldg., and the Actinia or Animal-flower of Home. M. Savigny has made of it his subdivision of Serpules cymospires, which M. Blainville elevates to the rank of a genus. M. Lamarck distinguishes the Spirorbis, the branchial filaments of which are much less numerous (three or four only on each side) ; their tube is of a tolerably regular spiral form, and they are mostly very small : such is S. spirellutn, Pallas, and S. spirorbis, Mullen Sabella
RMMA9XWM–. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage . Fig. 62.—Floating piece of sarga?- sum, covered with the hydroids Aqlao- phenia and Clytia, the bryozoan Mem- branipora, and the tube building worm Spirorbis. After Hentschel.
RMEBNXFX–Tubeworm, Sinistral spiral tubeworm, Spiral tubeworm (Spirorbis spirorbis), on a brown alga, Germany
RMF6RPJW–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RF2B91NPJ–Planorbis spirorbis, Print, Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells., Reimagined by Gibon, design of warm cheerful glowing of brightness and light rays radiance. Classic art reinvented with a modern twist. Photography inspired by futurism, embracing dynamic energy of modern technology, movement, speed and revolutionize culture.
RMW1BXND–Archive image from page 472 of Deutsche excursions-mollusken-fauna (1884). Deutsche excursions-mollusken-fauna . deutscheexcursio00cle Year: 1884 463 gend beschriebenen und abgebildeten V. planorbis erkennen) angenommen zu haben. Jedenfalls sind die Unterschiede zu unbedeutend, um als Arten neben einander bestehen zu können. Auch Kobelt, Nassau p. 212 t. 5 fig. 22 nimmt V. spirorbis als selbstständige Art an; was ich unter diesem Namen gesehen habe, ist nur eine etwas grössere V. cristata. Wohnort. In Sümpfen, schlammigen Gräben, Pfützen, Seeen und Teichen, überhaupt in stehenden Wassern jede
RM2AM6XBN–Journal of conchology . Pl.carinatus iPl.complanatus PI.vortex Pl.spirorbis Bath.contorti. Hipp.fontanus Seg.nitida Ph.fontinalxs Ph.heterostropha Ap.hypnorum
RMW7MX9R–Spiral tubeworm (Spirorbis spirorbis) calcareous tubes attached to stems of Toothed wrack (Fucus serratus) exposed at low tide, Crail, Scotland, UK, July
![. The depths of the ocean : a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. "Michael Sars" North Atlantic Deep-sea Expedition (1910); Oceanography; North Atlantic Ocean. INVERTEBRATE BOTTOM FAUNA 463 Laomcdea flex2wsa, and Clava squamata (see Fig. 321). There are several bryozoans ^ here too, and the fucoids are often densely thronged by small white spiral-shaped tube-worms [Spirorbis). Amongst the un- attached forms as- sociated with the algae I may mention: Littorina obtu Stock Photo](https://c8.alamy.com/comp/PFDN32/the-depths-of-the-ocean-a-general-account-of-the-modern-science-of-oceanography-based-largely-on-the-scientific-researches-of-the-norwegian-steamer-michael-sars-in-the-north-atlantic-quotmichael-sarsquot-north-atlantic-deep-sea-expedition-1910-oceanography-north-atlantic-ocean-invertebrate-bottom-fauna-463-laomcdea-flex2wsa-and-clava-squamata-see-fig-321-there-are-several-bryozoans-here-too-and-the-fucoids-are-often-densely-thronged-by-small-white-spiral-shaped-tube-worms-spirorbis-amongst-the-un-attached-forms-as-sociated-with-the-algae-i-may-mention-littorina-obtu-PFDN32.jpg ". The depths of the ocean : a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. "Michael Sars" North Atlantic Deep-sea Expedition (1910); Oceanography; North Atlantic Ocean. INVERTEBRATE BOTTOM FAUNA 463 Laomcdea flex2wsa, and Clava squamata (see Fig. 321). There are several bryozoans ^ here too, and the fucoids are often densely thronged by small white spiral-shaped tube-worms [Spirorbis). Amongst the un- attached forms as- sociated with the algae I may mention: Littorina obtu Stock Photo")
RMPFDN32–. The depths of the ocean : a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. "Michael Sars" North Atlantic Deep-sea Expedition (1910); Oceanography; North Atlantic Ocean. INVERTEBRATE BOTTOM FAUNA 463 Laomcdea flex2wsa, and Clava squamata (see Fig. 321). There are several bryozoans ^ here too, and the fucoids are often densely thronged by small white spiral-shaped tube-worms [Spirorbis). Amongst the un- attached forms as- sociated with the algae I may mention: Littorina obtu
RMW7WW9M–Post Horn Worms (Spirorbis) on seaweed, on beach, Derrible Bay, Sark, British Channel Islands.
RMW7X3EK–Tube Worms (Spirorbis spirorbis) on Toothed Wrack (Fucus serratus). Isle of Skye, Inner Hebrides, Scotland, UK
![. Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen . m. '83. Planorbis spirorbis. a öon D&en; b Scn Dorn. §. 697.» Handrbisrotundäti(s'>Foir.{%Ci.7S2.). Ziegl. 2lu8gejeid)net bon ben beiben oorigen burd^ bie ungemein lang- fame annähme ber SBinbungen unb bie noc^ beut» ii(i)er au^gefprodiene Äielanlage on ber Unter« feite; 7 3Binbuugeu; §ö^elmm; ©i^-g 7 9min. Dftcurot>a; in ®eutfif)Ianb nur Bei S?önig86erg unb in C)ft)icmmcrn. * PI. contortus"' Stock Photo](https://c8.alamy.com/comp/MABBDC/dr-johannes-leunis-synopsis-der-thierkunde-ein-handbuch-fr-hhere-lehranstalten-und-fr-alle-welche-sich-wissenschaftlich-mit-der-naturgeschichte-der-thiere-beschftigen-wollen-m-83-planorbis-spirorbis-a-on-dampen-b-scn-dorn-697-handrbisrotundtisgtfoirci7s2-ziegl-2lu8gejeidnet-bon-ben-beiben-oorigen-burd-bie-ungemein-lang-fame-annhme-ber-sbinbungen-unb-bie-noc-beut-iiier-augefprodiene-ielanlage-on-ber-unter-feite-7-3binbuugeu-elmm-i-g-7-9min-dftcurotgta-in-eutfifianb-nur-bei-snig86erg-unb-in-cfticmmcrn-pi-contortusquot-MABBDC.jpg ". Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen . m. '83. Planorbis spirorbis. a öon D&en; b Scn Dorn. §. 697.» Handrbisrotundäti(s'>Foir.{%Ci.7S2.). Ziegl. 2lu8gejeid)net bon ben beiben oorigen burd^ bie ungemein lang- fame annähme ber SBinbungen unb bie noc^ beut» ii(i)er au^gefprodiene Äielanlage on ber Unter« feite; 7 3Binbuugeu; §ö^elmm; ©i^-g 7 9min. Dftcurot>a; in ®eutfif)Ianb nur Bei S?önig86erg unb in C)ft)icmmcrn. * PI. contortus"' Stock Photo")
RMMABBDC–. Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen . m. '83. Planorbis spirorbis. a öon D&en; b Scn Dorn. §. 697.» Handrbisrotundäti(s'>Foir.{%Ci.7S2.). Ziegl. 2lu8gejeid)net bon ben beiben oorigen burd^ bie ungemein lang- fame annähme ber SBinbungen unb bie noc^ beut» ii(i)er au^gefprodiene Äielanlage on ber Unter« feite; 7 3Binbuugeu; §ö^elmm; ©i^-g 7 9min. Dftcurot>a; in ®eutfif)Ianb nur Bei S?önig86erg unb in C)ft)icmmcrn. * PI. contortus"'
RMEBNXFW–Tubeworm, Sinistral spiral tubeworm, Spiral tubeworm (Spirorbis spirorbis), on a brown alga, Germany
RMF6RPTT–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RMW1B4P2–Archive image from page 315 of Deutsche excursions-mollusken-fauna (1876). Deutsche excursions-mollusken-fauna . deutscheexcursio00cles Year: 1876 310 gend beschriebenen und abgebildeten V. planorbis erkennen) angenommen zu haben. Jedenfalls sind die Unterschiede zu unbedeutend, um als Arten neben einander bestehen zu können. Auch Kobelt, Nassau p. 212 t. 5 fig. 22 nimmt V. spirorbis als selbstständige Art an; was ich unter diesem Namen gesehen habe, ist nur eine etwas grössere V. cristata. Wohnort. In Sümpfen, schlammigen Gräben, Pfützen, Seeen und Teichen, überhaupt in stehenden Wassern jed
RM2AJ9C8F–A conchological manual . f trueMolluscs, of a kind not very widely differing from those whichhave regularly spiral shells. The greater part of these areattached to foreign bodies, or to each other in groups. Someare attached by the whole length of the shell, they are thensaid to be decumbent. Some of these are coiled round likethe Spirorbis, the little white shell seen on the carapace of theLobster or on leaves of sea-weeds; they are then said to bediscoidal; others again, such as the Vermetus, approach morenearly to the spiral form. The deviation from the regularspire only taking place after
RMPFDKJR–. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. Fig. 320. Dynamena pumila, L. (After Hincks. Laomedea flexuosa, and Clava squamata (see Fig. 321). There are several bryozoans 1 here too, and the fucoids are often densely thronged by small white spiral-shaped tube-worms (Spirorbis). Amongst the un- attached forms as- sociated with the algae I may mention: Littorina obtusata, which keeps mostly to little bays shel- tered from the action of the w
RMW7X3FR–Tube Worms (Spirorbis spirorbis) on Toothed Wrack (Fucus serratus), photographed on a white background in mobile field studio. Isle of Skye, Inner Hebrides, Scotland, UK. April.
RMF6RPT4–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RMW1BM8B–Archive image from page 427 of Deutsche excursions-mollusken-fauna (1884). Deutsche excursions-mollusken-fauna . deutscheexcursio00cle Year: 1884 418 als bei der typischen Form; Mündung rundlich. Mund- saum mit weisser Lippe belegt. Durchm. 5,5 mm, Höhe 1 mm. Verbreitung. In Norddeutschland. Bemerkung. PI. spirorbis ist im nördlichen Europa weit verbreitet. Es ist jedoch zur Zeit noch kaum möglich, ihren Verbreitungsbezirk festzustellen, da sie noch immer häufig mit PI. rotundatns, Poiret verwechselt wird. Sie unterscheidet sich von dieser Art durch die grössere Höhe ihrer Umgänge und das w
RM2AJ5C6J–The Quarterly journal of the Geological Society of London . ones and Modiola-shales. Two varieties of Cypris (figs. 29 & 30, ms.) occur. The more com-mon variety is found in all the bituminous limestones and Modiola-shales. The Spirorbis (figs. 31 a & b, ms.), so often found attached tovegetable fragments, and which so frequently serves to mark periodsof submergence succeeding to those of vegetable growth, closely re-sembles the Spirorbis carbonarius of the British coal-fields. Figs. 22 & 23 represent two species of the Modioli, which swarmedin incalculable numbers in the waters of the Joggins
RMPG0KK4–. Zoology : for students and general readers . Zoology. SILURIAN WORM TRACKS. 337 especially on the coast of Brazil. The minute nautilus-like shells of Spirorbis live attached to the fronds of sea-weeds especially the different kinds of Fucus.. Fig. W.— Cirratulm grandis.—After Verrill. Many sea-worms are highly iihosphorescent,the light emit- ted being intensely green. The tracks of worms like the Nereis of to-day occur in the lower Silurian slates; their bristles, however, were spinulose, as in the larval worms. Thus the type, though highly specialized, has, unlike most sjDecialized groups,
RMF6RPRJ–Tubeworm, Sinistral spiral tubeworm, spiral tubeworm, Posthörnchenwurm, Posthörnchen-Wurm, Posthornwurm, Spirorbis spirorbis
RMW1BJT8–Archive image from page 413 of Deutsche excursions-mollusken-fauna (1876). Deutsche excursions-mollusken-fauna . deutscheexcursio00cles Year: 1876 PI. spirorbis, L. PI- Dazuri, Mörch. 1. Var. DaZUri, Mörch, Americ. Journ. Conch. 1868 IV. p. 27. Plan. Dazuri, Westerlund, Malak. Blätter XXII. p. 107 t. 2 fig. 19—22. Gehäuse: etwas grösser, die 5 Umgänge schneller an Weite zunehmend, der letzte Umgang noch etwas breiter als bei der typischen Form; Mündung rundlich. — Mund- saum mit weisser Lippe belegt. Durchm. 5,5 Mm., Höhe 1 Mm. Verbreitung. In Norddeutschland. Bemerkung. PI. spirorbis ist im
![Journal of conchology . of Montana, byTimothy W. Stanton [several new species figd.]. On some names (chieflyLinnean) of animals and plants erroneously paired in synonymy, by MarcheseA. Di Gregorio [in favour of retention of Linnean specific name even when it re-peats the generic name].The Annals of Scottish Natural History, nos. 46-48, April-Oct., 1903. ??Helix lamellata Jeff., in Midlothian, and Planorbis spirorbis Miill., in Fife,by W. Evans. ^?Vertigopygmcpa, etc., in Mid-Perth, by Robert Godfrey. Synopsis of the family Astartidae, with a Review of the American species, by W. |H. Dall {Proc Stock Photo](https://c8.alamy.com/comp/2AJFJ96/journal-of-conchology-of-montana-bytimothy-w-stanton-several-new-species-figd-on-some-names-chieflylinnean-of-animals-and-plants-erroneously-paired-in-synonymy-by-marchesea-di-gregorio-in-favour-of-retention-of-linnean-specific-name-even-when-it-re-peats-the-generic-name-the-annals-of-scottish-natural-history-nos-46-48-april-oct-1903-helix-lamellata-jeff-in-midlothian-and-planorbis-spirorbis-miill-in-fifeby-w-evans-vertigopygmcpa-etc-in-mid-perth-by-robert-godfrey-synopsis-of-the-family-astartidae-with-a-review-of-the-american-species-by-w-h-dall-proc-2AJFJ96.jpg "Journal of conchology . of Montana, byTimothy W. Stanton [several new species figd.]. On some names (chieflyLinnean) of animals and plants erroneously paired in synonymy, by MarcheseA. Di Gregorio [in favour of retention of Linnean specific name even when it re-peats the generic name].The Annals of Scottish Natural History, nos. 46-48, April-Oct., 1903. ??Helix lamellata Jeff., in Midlothian, and Planorbis spirorbis Miill., in Fife,by W. Evans. ^?Vertigopygmcpa, etc., in Mid-Perth, by Robert Godfrey. Synopsis of the family Astartidae, with a Review of the American species, by W. |H. Dall {Proc Stock Photo")
RM2AJFJ96–Journal of conchology . of Montana, byTimothy W. Stanton [several new species figd.]. On some names (chieflyLinnean) of animals and plants erroneously paired in synonymy, by MarcheseA. Di Gregorio [in favour of retention of Linnean specific name even when it re-peats the generic name].The Annals of Scottish Natural History, nos. 46-48, April-Oct., 1903. ??Helix lamellata Jeff., in Midlothian, and Planorbis spirorbis Miill., in Fife,by W. Evans. ^?Vertigopygmcpa, etc., in Mid-Perth, by Robert Godfrey. Synopsis of the family Astartidae, with a Review of the American species, by W. |H. Dall {Proc
RMPFDKKE–. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. INVERTEBRATE BOTTOM FAUNA 463. Fig. 320. Dynamena pumila, L. (After Hincks. Laomedea flexuosa, and Clava squamata (see Fig. 321). There are several bryozoans 1 here too, and the fucoids are often densely thronged by small white spiral-shaped tube-worms (Spirorbis). Amongst the un- attached forms as- sociated with the algae I may mention: Littorina obtusata, which keeps mostly to little bays shel-
RMRWNTNG–Elements of conchology, including the Elements of conchology, including the fossil genera and the animals elementsofconcho01bowd Year: 1822 13. Cfclostoma mumia. 14- ⢠â elegans. 15. Paludina fasciata (Helix vivipara, Lin.) 16. Delphinula. 47. Vermelus, Adans. 18. Euomphalus penlangulatus 1 â 19- â ⢠catiUus, jsowei-by. 20. Nerita Malaccensis, and its operculum. 21. Neritina zebra. 22.Vatvata spirorbis, Drap. 23. Clilhon coronata. 24. Natica. 25. Monodonta. 26. lanthinafragilis.
RM2AN4Y67–The Annals and magazine of natural history; zoology, botany, and geology . Austra-lian freshwater, 291, 366. Toxicum, new species of, 352. Trichoglossus, new species of, 281. Trinierella acuminata, note on, 140. Trionyx Phayrei, notes on, 83, 212,320, 324. Tristram, Rev. H. B., on the Syl-viads, 28. Urotragus caudatus, note on, 371. Vermes from the Sea of Spitzbergen,53. Walden, Viscount, on a new speciesof Trichoglossus, 281. Williamson, Prof. W. C, on the or-ganization of the Lepidodendraand Sigillariae, 134. Willimoes-Suhm, Dr. R. von, on thedevelopment of Spirorbis nanti-loides, 139; on th
RMPFG4GK–. Das Süsswasser-Aquarium : Geschichte, Flora und Fauna des Süsswasser-Aquariums, seine Anlage und Pflege. Aquariums; Freshwater biology; Freshwater animals; Freshwater plants. Tvignr 220. ©rofeeg Sßofifjömdjen. Planorbis corneus.) a. ©ro^e§ ^ofttyörndjcn (Planorbis corneus Tic g-üljler finb fang, borften förmig; Sttemlod) unb 9Ifter Ititfv, ohne Viiel auf ber lenten äSinbung be§ ©eljäufe§, oben tief genabelt, unten fdjmadj tiertieft. Tie Färbung ift fjornfarben. ©roßte beutfdjeSlrt. Stetjenbe ©etnäffer. Planorbis spirorbis L. ©efjäufe flad), unten fducarf) tiertieft. Tie SDftinbung nmbliri).
RMRX8CC3–Ecological animal geography; an authorized, Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage ecologicalanimal00hess Year: 1937 246 MARINE ANIMALS annelid Spirorbis. The most frequent hydroids are Clytia and Lao- medea. A small sessile ascidian (Diplosoma) is present. The nudi- branch, Scyllaea pelagica, creeps over the weed, and the weak swim- ming crab, Planes minutus, uses it as a resting place. The Sargasso fish Pterophryne makes a nest among the 'leaves' by tying them together with mucus. The weed is yellowish brown, spotted
RM2CE1N0B–. The study of animal life . me Nereids)and the lobworms which burrow and make countless castings uponthe flat sandy shores, or those which inhabit tubes of lime orsandy particles (e.g. Serpida, Spirorbis, and La7iice or Terebellaconchilegd). The earthworms with comparatively few bristles(Oligochxta) are bisexual, while almost all the marine worms withmany bristles (Polychaeta) have separate sexes. Moreover, those ofthe first series usually lay their eggs in cocoons, within which theembryos develop without any metamorphosis, while the sea-worms,though they sometimes form cocoons, have free-swi
RMPFAEMA–. Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. 11 Ãf. 0. 10 â â ' I â ;corg Reimer, 1â2 Hydroides uncinatus Phil. var. macronyx. 3â5 Dipomatus serpuiides n. sp. 6 Spirorbis laevis Qtfgs. 7-11 Paleophorus.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Deutsche Südpolar-Expedition (1901-1903); Drygalski, Erich von, 1865-1949. Berlin,
RMT0WNP1–Dr Johannes Leunis Synopsis der Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen drjohannesleuni01leun Year: 1883 m. '83. Planorbis spirorbis. a öon D&en; b Scn Dorn. §. 697.» Handrbisrotundäti(s'>Foir.{%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Ci.7S2.). Ziegl. 2lu8gejeid)net bon ben beiben oorigen burd^ bie ungemein lang- fame annähme ber SBinbungen unb bie noc^ beut» ii(i)er au^gefprodiene Äielanlage on ber Unter« feite; 7 3Binbuugeu; §ö^elmm; i^-g 7 9min. Dftcur
RM2CD9C7J–. The Irish naturalist . Cochlicopa lubrica^ Pupa cylindracea, Vertigo pygmcca^ V. antivertigo, Baliaperversa^ Clausilia rugasa, Carychium minimum^ Succinea eleganSy S. putris, Limuita peregra^ L. sta^naliSy L. palustris^ L, truncatula. Physafotitinalisy Aplexia hypnorum. Platwrbis marginatus, P. coronaius, P. conlarluSt P. spirorbis^ P, vortexy P.crista^ P. albiis. Bythinia tentaculata^ Ancylus Jltiviatilis^ A. laeustris, Neritina Jluviatilis,Valvala criskita^ V, piscinalis^ Sphccrium corneum, Pisidiwn avinicum, Anodonta cygneUk G. P. Farran. BIRDS White Swallow at Coleralne. In a back number
RMPFGRRG–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 189 Uregelmæssige, bredt krummede Kapsler 28. 27. Laagsømmen kraftig, bugtet; overdækker yderste Ægrække Anisus vortex (L.) (S.211). Laagsømmen yderst fin, simpel; overdækker ikke Æggene Anisus leucostoma (Millet) (S. 212). 28. Laagsømmen tydelig, forløber over Æggene Anisus contortus (L.) (S. 213). Ingen synlig Laagsøm; forløber langs Kapsel- randen Anisus spirorbis (L.) (S.212). 29. Med kort, oftest fri Terminaludløber. Alm. nyre- formet Kapsel. Laagsømmen forløber over Æg- gene. Æggene rundagtige Gyraulus albus (Miill.)
RMT0WNP4–Dr Johannes Leunis Synopsis der Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen drjohannesleuni01leun Year: 1883 I 1 m- '82. Planorbis rotundätus. a tcn eben; b »cn »cm. m. '83. Planorbis spirorbis. a öon D&en; b Scn Dorn. §. 697.» Handrbisrotundäti(s'>Foir.{%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Ci.7S2.). Ziegl. 2lu8gejeid)net bon ben beiben oorigen burd^ bie ungemein lang- fame annähme ber SBinbungen unb bie noc^ beut» ii(i)er au^gefprodiene Äielanlage on
RMRMWY01–. Annales du Muse colonial de Marseille. Plants -- Madagascar; Tropical plants. Pl. XXVI.. Acacia spirorbis Labil. (Légumineuses). Hameau et galles.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Muse colonial de Marseille. Marseille : Muse colonial
RMPFAXKW–. Deutsche excursions-mollusken-fauna. Mollusks. 463 gend beschriebenen und abgebildeten V. planorbis erkennen) angenommen zu haben. Jedenfalls sind die Unterschiede zu unbedeutend, um als Arten neben einander bestehen zu können. Auch Kobelt, Nassau p. 212 t. 5 fig. 22 nimmt V. spirorbis als selbstständige Art an; was ich unter diesem Namen gesehen habe, ist nur eine etwas grössere V. cristata. Wohnort. In Sümpfen, schlammigen Gräben, Pfützen, Seeen und Teichen, überhaupt in stehenden Wassern jeder Art. Verbreitung. Im ganzen Gebiete. Bemerkung. V. cristata ist eine weit verbreitete Art, die s
![. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoecolex. ARABEtLiTKs, Hinde, Stock Photo](https://c8.alamy.com/comp/RJ123W/north-american-geology-and-palaeontology-for-the-use-of-amateurs-students-and-scientists-microform-paleontology-paleontology-geology-palontologie-palontologie-gologie-eo-sur-111-vol-ind-abound-alike-and-suborders-and-in-the-sura-are-unknown-in-of-preservation-ida-myriapwla-glycerites-lum-ioniodua-stauro-worm-burrowsarenicolites-gyrichnites-myrianites-monocraterioo-ne-mapodia-nereites-palaiochorda-hcolithus-walcottia-order-tubicolaconchicolites-cornulites-salterella-serpula-herpulites-spirorbis-order-uncertainprotoecolex-arabetlitks-hinde-RJ123W.jpg ". North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoecolex. ARABEtLiTKs, Hinde, Stock Photo")
RMRJ123W–. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoecolex. ARABEtLiTKs, Hinde,
RMPFAGRM–. Deutsche excursions-mollusken-fauna. Mollusks. 310 gend beschriebenen und abgebildeten V. planorbis erkennen) angenommen zu haben. Jedenfalls sind die Unterschiede zu unbedeutend, um als Arten neben einander bestehen zu können. Auch Kobelt, Nassau p. 212 t. 5 fig. 22 nimmt V. spirorbis als selbstständige Art an; was ich unter diesem Namen gesehen habe, ist nur eine etwas grössere V. cristata. Wohnort. In Sümpfen, schlammigen Gräben, Pfützen, Seeen und Teichen, überhaupt in stehenden Wassern jeder Art. Verbreitung. Im ganzen Gebiete. Bemerkung. V. cristata ist eine weit verbreitete Art, die s
![. The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. THE FLORA OF THE COAL FORMATION. 459 its being covered with Spirorbis, I think it must either have been of more aquatic liabit than most of the other plants of the Coal forma- tion, or that its leaves must have been very durable. While the leaves are abundant, the stems are very rare. I infer that they were usually low and succulent. Much of the tissu Stock Photo](https://c8.alamy.com/comp/RJ50HF/the-geology-of-nova-scotia-new-brunswick-and-prince-edward-island-or-acadian-geology-microform-geology-geology-stratigraphic-paleontology-geology-economic-gologie-gologie-stratigraphique-palontologie-gologie-conomique-the-flora-of-the-coal-formation-459-its-being-covered-with-spirorbis-i-think-it-must-either-have-been-of-more-aquatic-liabit-than-most-of-the-other-plants-of-the-coal-forma-tion-or-that-its-leaves-must-have-been-very-durable-while-the-leaves-are-abundant-the-stems-are-very-rare-i-infer-that-they-were-usually-low-and-succulent-much-of-the-tissu-RJ50HF.jpg ". The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. THE FLORA OF THE COAL FORMATION. 459 its being covered with Spirorbis, I think it must either have been of more aquatic liabit than most of the other plants of the Coal forma- tion, or that its leaves must have been very durable. While the leaves are abundant, the stems are very rare. I infer that they were usually low and succulent. Much of the tissu Stock Photo")
RMRJ50HF–. The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. THE FLORA OF THE COAL FORMATION. 459 its being covered with Spirorbis, I think it must either have been of more aquatic liabit than most of the other plants of the Coal forma- tion, or that its leaves must have been very durable. While the leaves are abundant, the stems are very rare. I infer that they were usually low and succulent. Much of the tissu
RMPG0DA4–. Fossil plants : for students of botany and geology . Paleobotany. 104 LYCOPODIALES ill ' [CH.. Fig. 146. Lepidophloios and Lepidodendron leaf-cushions. A, B, D, P, G, H, I. Lepidophloios. (Fig. A should be reversed.) C, E. Lepidodendron aculeatum. A, B. From a specimen in the Sedgwick Museum, Cambridge (leaf- cushion 3 cm. broad). C. From a specimen in the Sedgwick Museum, Cambridge (leaf- cushion 4 cm. long. D. From a section in the Cambridge Botany School Collection. E. From a specimen in the Bunbury Collection, Cambridge Botany School, showing Spirorbis shells (leaf-cushion 2 cm. long). F
RMRN4TTT–. The animal kingdom, arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy. Zoology. 392 ANNEL1DES. like the antlers of a stag. This is the Terehella bicornes, Abeldg., and the Actinia or Animal-flower of Home. M. Savigny has made of it his subdivision of Serpulcs cymospires, which M. Blainville elevates to the rank of a genus. M. Lamarck distinguishes the Spirorbis, the branchial filaments of which are much less numerous (three or four only on each side); their tube is of a tolerably regular spiral form, and they are mostly very sma
RMPFAXWP–. Deutsche excursions-mollusken-fauna. Mollusks. 418 als bei der typischen Form; Mündung rundlich. Mund- saum mit weisser Lippe belegt. Durchm. 5,5 mm, Höhe 1 mm. Verbreitung. In Norddeutschland. Bemerkung. PI. spirorbis ist im nördlichen Europa weit verbreitet. Es ist jedoch zur Zeit noch kaum möglich, ihren Verbreitungsbezirk festzustellen, da sie noch immer häufig mit PI. rotundatns, Poiret verwechselt wird. Sie unterscheidet sich von dieser Art durch die grössere Höhe ihrer Umgänge und das weit raschere Zunehmen derselben, so dass ihr Gewinde stets beträchtlich weiter bleibt als Jones vo
RMRHJYDX–. The biology of marine animals. Marine animals; Physiology, Comparative. 654 THE BIOLOGY OF MARINE ANIMALS mucoid material in which calcium carbonate is deposited (Fig. 15.9). This is largely in the form of aragonite (Pomatoceros). There is no organic union between the tube and the animal. The tubes of serpulids have charac- teristic shapes and arrangements, varying from species to species. They are solitary (Spirorbis), aggregated (Serpula), semicolonial (Fibgrana) or cemented together to form crusts or masses (Pomatoleios). The anterior. Fig. 15.9. Polychaete Tubes (Left) Calcareous tube of
RMPFAGG0–. Deutsche excursions-mollusken-fauna. Mollusks. PI. spirorbis, L. PI- Dazuri, Mörch. 1. Var. DaZUri, Mörch, Americ. Journ. Conch. 1868 IV. p. 27. Plan. Dazuri, Westerlund, Malak. Blätter XXII. p. 107 t. 2 fig. 19—22. Gehäuse: etwas grösser, die 5 Umgänge schneller an Weite zunehmend, der letzte Umgang noch etwas breiter als bei der typischen Form; Mündung rundlich. — Mund- saum mit weisser Lippe belegt. Durchm. 5,5 Mm., Höhe 1 Mm. Verbreitung. In Norddeutschland. Bemerkung. PI. spirorbis ist im nördlichen Europa weit verbreitet. Es ist jedoch zur Zeit noch kaum möglich, ihren Verbreitungsbezi
RMRN725A–. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palæontological science. Paleontology. Fig. 87.—a, Spirorbis omphalodes, natural and enlarged, Devonian, Europe and America ; b, Spi7-c7-bis Arko>ie7isis, of the natural size and enlarged ; c, The same, with the tube twisted in the reverse direction. Devonian, America. (Ori- ginal.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the ori
RMPFHEW2–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... . Fig. 22. Fig. 23. Fig. 22. Anisus spirorbis (L.). Fig. 23. Anisus contortus (L.). 4. Anisus (Bathyomphalus) contortus (L.) (Fig. 23). Lille, bred, krummet Kapsel. Terminaludløberen tilliggende eller hyppigere trukket bredt takket ud. Laagsømmen er tydelig og strækker sig henover Æggene ca. 0,2 mm fra Kapsel- randen. Kapselstørrelse: Til ca. 2 mm' L. Ægstørrelse: 7,10 X 0,54 mm. Ægantal: 2—8. Gyraulus Agassiz. 1. Gyraulus (Gyraulus) albus (Miill.) (Fig. 24). Lille, oftest nyreformet Kapsel. Terminaludløberen som Regel fri
![. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. ABA.—COR.] ANNELIDA. 517. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoe Stock Photo](https://c8.alamy.com/comp/RJ1241/north-american-geology-and-palaeontology-for-the-use-of-amateurs-students-and-scientists-microform-paleontology-paleontology-geology-palontologie-palontologie-gologie-abacor-annelida-517-eo-sur-111-vol-ind-abound-alike-and-suborders-and-in-the-sura-are-unknown-in-of-preservation-ida-myriapwla-glycerites-lum-ioniodua-stauro-worm-burrowsarenicolites-gyrichnites-myrianites-monocraterioo-ne-mapodia-nereites-palaiochorda-hcolithus-walcottia-order-tubicolaconchicolites-cornulites-salterella-serpula-herpulites-spirorbis-order-uncertainprotoe-RJ1241.jpg ". North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. ABA.—COR.] ANNELIDA. 517. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoe Stock Photo")
RMRJ1241–. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. ABA.—COR.] ANNELIDA. 517. eo. Sur. 111., vol. ind abound alike , and Suborders. and in the sura- are unknown in of preservation, ida, Myriapwla, Glycerites, Lum- ioniodua, Stauro- Worm-burrows.—Arenicolites, Gyrichnites, Myrianites, Monocraterioo, Ne- mapodia, Nereites, Palaiochorda, Hcolithus, Walcottia. Order Tubicola.—Conchicolites, Cornulites, Salterella, Serpula, Herpulites, Spirorbis. Order Uncertain.—Protoe
RMPFHEW5–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... . 11 Irr^jrrh. F^ig. 21. Anisus leucostoma (Millet). Sømmen yderst fm, 0,08—0,15 mm fra Kapslens konvekse Rand; den strækker sig ikke henover Æggene. Æggene rund- agtige, ligger i een Række og overlejrer hinanden mere eller mindre. De ligger ret nær Kapselranden. Kapselstørrelse: Til ca. 3 mm' L. Ægstørrelse: 0,63 x 0,48 mm. Ægantal: 2—8. 3. Anisus (Anisus) spirorbis (L.) (Fig. 22). Lille, uregel mæssig ofte noget krummet Kapsel. Terminaludloberen til-. Please note that these images are extracted from scanned page images t
RMRD5NX7–. Cuvier's animal kingdom : arranged according to its organization. Animals. 392 ANNELIDES. like the antlers of a stag. This is the Terebella bicornes, Abeldg., and the Actinia or Animal-flower of Home. M. Savigny has made of it his subdivision of Serpules cymospires, which M. Blainville elevates to the rank of a genus. M. Lamarck distinguishes the Spirorbis, the branchial filaments of which are much less numerous (three or four only on each side) ; their tube is of a tolerably regular spiral form, and they are mostly very small : such is S. spirellutn, Pallas, and S. spirorbis, Mullen Sabella
RMPFHF3J–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 93 cylindriske Vindinger, der er adskilte ved en dyb Søm, Sidste Vinding mod Mundingen 1 Va Gang saa bred som næstsidste. Mundingen næsten kredsrund, med meget lille Udsnit for næstsidste Vinding, ofte med en ret stærk hvidlig Læbe. H. 1,3 mm, Br. 5—5,5 mm. Denne Art kan meget let forvexles med Unger af den føl- gende, men de hurtigere tiltagende, næsten cylindriske Vin- dinger er gode Kendetegn, ligeledes Skallens forholdsvis større Højde. A. spirorbis har ca. 1 Vinding min- dre end A. leucostoma af samme Størrelse. Arten
![. The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. Attached to some of the fossil plants in the Cordaite shales, wo have, just as in the Coal formation, shells of Spirorbis. I have not been able to satisfy myself as to whether these are the familiar S. carbonarius of the coal or a distinct species. The crustaceans found with them are of two species, one, a little shrimp-like creature, belongs to the genus Stock Photo](https://c8.alamy.com/comp/RJ500X/the-geology-of-nova-scotia-new-brunswick-and-prince-edward-island-or-acadian-geology-microform-geology-geology-stratigraphic-paleontology-geology-economic-gologie-gologie-stratigraphique-palontologie-gologie-conomique-attached-to-some-of-the-fossil-plants-in-the-cordaite-shales-wo-have-just-as-in-the-coal-formation-shells-of-spirorbis-i-have-not-been-able-to-satisfy-myself-as-to-whether-these-are-the-familiar-s-carbonarius-of-the-coal-or-a-distinct-species-the-crustaceans-found-with-them-are-of-two-species-one-a-little-shrimp-like-creature-belongs-to-the-genus-RJ500X.jpg ". The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. Attached to some of the fossil plants in the Cordaite shales, wo have, just as in the Coal formation, shells of Spirorbis. I have not been able to satisfy myself as to whether these are the familiar S. carbonarius of the coal or a distinct species. The crustaceans found with them are of two species, one, a little shrimp-like creature, belongs to the genus Stock Photo")
RMRJ500X–. The geology of Nova Scotia, New Brunswick, and Prince Edward Island, or, Acadian geology [microform]. Geology; Geology, Stratigraphic; Paleontology; Geology, Economic; Géologie; Géologie stratigraphique; Paléontologie; Géologie économique. Attached to some of the fossil plants in the Cordaite shales, wo have, just as in the Coal formation, shells of Spirorbis. I have not been able to satisfy myself as to whether these are the familiar S. carbonarius of the coal or a distinct species. The crustaceans found with them are of two species, one, a little shrimp-like creature, belongs to the genus
RMREB9DX–. The conchology of Nottingham; or, A popular history of the recent land and fresh water Mollusca found in the neighborhood;. Mollusks. 134 Planorbis spirorbis [The Rolled Coil Shell}. Miiller. Figures 97 and 98.. Described by Dr. Pulteney, about 1790, in his Cata- logue of Dorsetshire Shells. Bears a strong resemblance to Planorbis vortex, so much so that much confusion occurs when the distinc- tive differences are not known. The two discs are con- cave, semi-transparent, but often coated with a black incrustation. Body whorl not much larger than the preceding one. There are six convolutions.
![. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palæontological science. Paleontology. Fig. 87.—a, Spirorbis omphalodes, natural and enlarged, Devonian, Europe and America ; b, Spi7-c7-bis Arko>ie7isis, of the natural size and enlarged ; c, The same, with the tube twisted in the reverse direction. Devonian, America. (Ori- ginal.). name from scale • tion. of " seraphim/' their singular like ornamenta- The Trilobites,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for read Stock Photo](https://c8.alamy.com/comp/RN7246/the-ancient-life-history-of-the-earth-a-comprehensive-outline-of-the-principles-and-leading-facts-of-palontological-science-paleontology-fig-87a-spirorbis-omphalodes-natural-and-enlarged-devonian-europe-and-america-b-spi7-c7-bis-arkogtie7isis-of-the-natural-size-and-enlarged-c-the-same-with-the-tube-twisted-in-the-reverse-direction-devonian-america-ori-ginal-name-from-scale-tion-of-quot-seraphim-their-singular-like-ornamenta-the-trilobites-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-read-RN7246.jpg ". The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palæontological science. Paleontology. Fig. 87.—a, Spirorbis omphalodes, natural and enlarged, Devonian, Europe and America ; b, Spi7-c7-bis Arko>ie7isis, of the natural size and enlarged ; c, The same, with the tube twisted in the reverse direction. Devonian, America. (Ori- ginal.). name from scale • tion. of " seraphim/' their singular like ornamenta- The Trilobites,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for read Stock Photo")
RMRN7246–. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palæontological science. Paleontology. Fig. 87.—a, Spirorbis omphalodes, natural and enlarged, Devonian, Europe and America ; b, Spi7-c7-bis Arko>ie7isis, of the natural size and enlarged ; c, The same, with the tube twisted in the reverse direction. Devonian, America. (Ori- ginal.). name from scale • tion. of " seraphim/' their singular like ornamenta- The Trilobites,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for read
RMRHNA5X–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THE BIOLOGY OF SPIRORBIS 215 half as thick as the outer and contains few vacuoles. Nuclei of the inner layer are more elliptical in shape than those of the outer layer. The inner cuticle is about 1 micron thick and very dense ; separating it from the inner epithelium is a space which varies from 6 microns along the sides of the operculum to about 28 microns at its apex. Coarse protoplasmic processes extend from the inner epithelium across the space and attach to the cuticle. Sections of opercular brood pouches fixed in. Plea
RMRHM0KP–. The Biological bulletin. Biology; Zoology; Marine biology. THE BIOLOGY OF SPIRORBIS 215 half as thick as the outer and contains few vacuoles. Nuclei of the inner layer are more elliptical in shape than those of the outer layer. The inner cuticle is about 1 micron thick and very dense: separating it from the inner epithelium is a space which varies from 6 microns along the sides of the operculum to about 28 microns at its apex. Coarse protoplasmic processes extend from the inner epithelium across the space and attach to the cuticle. Sections of opercular brood pouches fixed in. ( J «|^ OP J h
RMRN71Y3–. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palaeontological science. Paleontology. Fig. 88.—a b, Spirorbis laxus, enlarged. Upper Silurian, America; c, Spirorbis spinulifera, of the natural size and enlarged, Devonian, Canada. (Af- ter Hall and the Author.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Nicholson, Henry Alleyne, 1844-1899. New York, A. L. Fowle
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