Nomenclature of Molluscous Animals and Shells in the Collection of the British Museum: Pt. I. Cyclophoridæ, Part 1Order of the Trustees [by Spottiswoodes and Shaw], 1850 - 68 pàgines |
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Nomenclature of Molluscous Animals and Shells in the Collection of ..., Part 1 William Baird,British Museum (Natural History) Dept Previsualització no disponible - 2016 |
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2nd edit Acicula Aper AULOPOMA axis Brit Carychium Chemn CHOANOPOMA CHONDROPOMA CISTULA Collection of Capt Conch Cuba Cuming Cycloph CYCLOPHORUS Cyclost Cyclostoma CYCLOTUS D'Orb Desh DIPLOMMATINA Douai Drap few-whorled Gaim Gmel Grat Gray in Wood's H. L. Layard Helix Hist Hydrocena Isle of Luçon J. E. Gray Jamaica keeled Kuster Lamck Landour Last whorl LEONIA Lept LEPTOPOMA Lessert Linn Madagascar Malac Malak Megalomast MEGALOMASTOMA Menke und Pfeiffer Méth Moll Mouth circular Müller Operculum Operculum horny Operculum shelly Operculum thin OTOPOMA Parreyss Peristome double Peristome simple Pfeiff Pfeiffer in Menke Philippine Islands Pomatias Potiez Presented by H. L. Presented by Professor Proc Professor C. B. Adams PTEROCYCLOS Pupina Quoy & Gaim REALIA Recueil Reeve reflexed REGISTOMA Rossmass Supp Synops Syst Tropidoph TROPIDOPHORA Troschel in Menke Turbo lincina turrited umbilicated Vert Verz viii volvulus Whorls of operculum Wood's Cat Zeitsch Zool
Passatges populars
Pàgina 28 - Last whorls with a fold or spiral ridge on the inner side in front of the axis, sometimes forming a groove in the outer lip. 9. FARCIMEN.
Pàgina 5 - Annal. Nat. 144. 1815. A. Operculum orbicular often concave externally, of many very gradually enlarging whorls, nucleus central. a. Operculum thick, formed of two lamina, with a groove on the edge between them ; the outer layer calcareous, usually furnished with a raised border on the outer edge, forming a spiral ridge or fringe. 1. CYCLOTUS. Operculum thick, testaceous ; outer surface rather concave ; whorls numerous, very gradually enlarging, fringed. — Shell subturbinate, depressed or discoidal....
Pàgina 61 - Shell somewhat imperforate, conico-turrited or turrited, longitudinally striated or ribbed. Peristome nearly simple or double, the internal edge continuous, the external reflexed. Pomatias Studer, Verz. 21. 1820; Hartmann; Gray, Syn. BM 1842, 91., Proc. Zool. Soc. 1847, 182. ; Troschel in Menhe und Pfeiffer, Z. f.
Pàgina 11 - Barham Zincke. 2. PTEROCYCLOS. Operculum shelly, many whorled, spirally lamellated, externally very convex, internally concave. — Shell broadly umbilicated, rather discoidal. Peristome double ; the internal short, cut on the right margin, the external dilated above into a roof-shaped beak. Spiraculum Pearson, Journ. As. Soc. Bengal, ii. 590. 1833 ? Steganotoma Troschel, Wiegm. Arch. 163, 1837 ; Philippi, Abbild, und Besch. 1844. Pterocyclos Benson, Journ. Asiat. Soc. Beng. 1832, i. 11., Zool. Jour.v....
Pàgina 60 - Cab. i. 19. t. 14. f. 4, 5. 26. ЫСША. Operculum ? Shell conical ; last whorl produced out of the Spiral line, straight. Mouth circular. Peristome somewhat reflexed, expanded. Licina Browne, Jamaica, 401. 1. LICINA LABEO. Nerita labeo Mutter, Hist.
Pàgina 35 - LITHIDION. Operculum subcircular, shelly ; whorls rather rapidly enlarged, with a strong, convex, subcentral keel and simple edges. Shell depressed, broadly umbilicated, open ; aperture rather circular. Peristome simple, often thickened.
Pàgina 30 - Opermdum orbicular, many-whorled, horny? — Shell conical short, covered with a thin periostraca. Spire conical. Axis perforated. Whorls with a strongly marked keel in the front, forming an edge to the axis. Mouth circular, continued, simple. Electrina Gray MS. BM 1.
Pàgina 45 - Hartm. in Neue Alpina, i. 215. Turbo lincina Chemn. Conch. Cab. ix. t. 123. f. 1060. d, e. Turbo striatus Da Costa, Brit. Conch. 86. t. 5. f. 9. Turbo reflexus Olivi, Adriat. 170. Columna de Purp. ch. 9. p. 16. t. 13. ; Lister, Hist. Conch, t. 27. f. 25. a — c. Genoa. From Dr. Goodall's Collection. d, e. South of Italy. Presented by Sir W. Trevelyan, Bart.
Pàgina 14 - Esq: b. Operculum horny, thin without any external calcareous layer. Shell conical or depressed. Last whorl rounded, without any groove or ridge round the front of the axis. , 4. AULOPOMA. Operculum horny, with many whorls ; outer edge larger than the aperture, and reflexed over the peristome of the shell. — Shell turbinate, depressed, or subdiscoidal, the last whorl anteriorly open ; peristome free, straight, continuous, immersed in the circular groove of the operculum. Aulopoma Troschel in Menke...
Pàgina 55 - Ie 112. n. 6. a — d. Zebu, Philippine Islands. From the Collection of Mr. Cuming. 24. CHONDROPOMA. Operculum. ovate, subcartilaginous; whorls few, rapidly increasing. •— Shell for the most part turrited, often truncated. Peristome continuous, for the most part free, simple, single ; expanded or thickened. Differs from Cyclostomus in the operculum being thinner and somewhat horny. Chondropoma Pfeiffer in Menke und Pfeiffer, Z. f.