The Conchologist’s First Book — Edgar A. Poe, 1839 — reading text

no epidermis; spire very short, last whorl much larger than all the others together; one or two large plaits on the columella Inhabits the coast of Britain. Six species. ‘Tornatella fasciata. Tornatella nitidula. TT’, solidula. T. pedipes. T. auricula. T. flammea. 2. Genus Pyramidella. Pl, XI. Animal. As preceding genus, Shell. Smooth and turreted, without epidermis, elongated conical or subturriculated; aperture entire demioval; the outer lip sharp and dentated within, columella preduced, subperforate at the base, furnished with transverse plaits. Inhabits the Ame- rican and W. Indian seas. Six species. Pyramidella terrebellum. Pyramidella maculosa, P. dolabrata. P. plicata. _ P. corrugata. P. ventricosa. 112 CONCHOLOGY. FAMILY XV. yee Three genera. 1. Genus Scalaria, Pl. XI. Animal. Spiral; foot short, oval, and inserted beneath the neck ; two tentacula terminated by a filament, and having the eyes at the extremity of the dilated portion ; a proboscis. Shell. Marine, aperture circular, spire more or less pressed and furnished with longitudinal ribs, formed by the preservation of the reflected margin of the aperture ; edges united, thickened, and outwardly reflected ; operculum horny and thin. Inhabits the American and Indian seas. Eleven living species, and three fossil. Scalaria coronata. Scalaria varicosa. S$. communis. : S. raricota. S. Australis. S. lamellosa. S. tenebralis. S. pretiosa. S. Martinii.* S. Novanglia * S. subulata.* 2. Genus Vermetus. Pl. XI. Animal. As preceding genus. Shell. Very similar to the Serpula, but the organization of the animal makes ita distinct genus; often found clustered to- gether and‘attached to marine substances; conical, thin tubular, loosely spiral, aperture straight, circular, edges sharp and com- plete, several partitions not perforated towards the summit, oper- culum horny and complete. Inhabits the sandy shores of the W. Indies and Africa. Two species. Vermetus lumbricalis. Vermetus maximus. 3. Genus Delphinula. Pl. XI. Animal. See Scalaria. . Shell. Thick, and pearly in the interior subdiscoid or conical ; spiral whorls rough or angular, often detached, spiny, large umbi- licus, sometimes triangular ; the margins united, mostly fringed or CONCHOLOGY. 113 ventricose. Inhabits the Indian seas. Four living species. Seven fossil. Delphinula laciniata. Delphinula distorta. D. turbinopsis. D. rugosa. FAMILY XVi. Turninacea. Eight genera. 1. Genus Solarium. PI. Xf. Animal. Unknown. Shell. Orbicular, depressed, umbilicus large and conical, crenu- lated or dentated on the inner margin of the whorls; aperture not modified by the last whorl of the spire, which is entirely flat ; no columella. Inhabits the Indian seas. Seven living species. Eight fossil. Solarium granulatum. Solarium levigatum. S. perspectivum. S. stramineum. S. hybridum. S. variegatum. S. luteum. 2, Genus Trochus. ‘Pl. XI. Animal. Spiral, having the sides of the body often ornamented with digitated or lobed appendages, and provided with a short foot rounded at its two extremities; head provided with two tentacula more or less elongated, having the eyes upon a dilation of their external base; mouth without superior tooth, but fur- nished with a spiral lingual band. Shell. Marine, found in almost all parts of the world, some smooth, others knotted, spined, tuberculated, or undulated ; thick, generally pearly, spire sometimes depressed, at others elevated and pointed at the summit, sharp or carinated at its circumference, fre- quently umbilicated, not always; aperture transversely depressed, the margins not united at the upper part; columella arched and twisted, often projecting forward; operculum horny, thin, with, numerous spiral whorls, increasing from the centre to the circum it 114 ; CONCHOLOGY. ference. Inhabits the European seas. Ninety-nine living species. Eight fossil. Trochus imperialis. T. longispina. T. solaris. T. Indicus. . radians. pileus. . calyptreformis. fimbriatus. . brevispina. rotularius. stella. stellarius. - asperatus. . rhodostomus. spinulosus. . costulatus. * inermis. . agglutinans. coelatus. tuber. magus. merula. argrostomus. cookii. . hiloticus. . pyramidalis. noduliferas. . 2S Se ae ee ae HHHSaH . cerulescens. obeliscus. . Virgatus. - maculatus. . granosus. squarrosus. incrassatus. T. flammulatis. REAR EH AHA Trochus jujubinus. T. Javanicus. T. annulatus. T. doliarius. M. granulatus. T. granatum. T. moniliferous. T aris. T. ornatus. T. bicingulatus. T. calliferus. T. umbilicaris. T. undatus. T. Pharaonis. T. sagittiferus. T. carneolus. T. cinerarius. T. excavatus. T. nanus. T. pyramidatus. T. erythroleucos. T. undosus. T. unguis. T. olivaceus. T. Smithii. T. maugeri. T. Mediterraneus. T. reticulatus. T. indistinctus. a. pellioserpentis. T. armillatus. T. acuminatus. T. elegantus. T. granosus. T. teniatus. T. elatus. T. marmorus. T.. mauritianus. T. imbricatus. T. triseliatus. T. crenulatus. T. asperulus. T. acutus. T. concavus. T. lineatus. T. zizyphinus. T. conuloides, T. conulus. T. zonatus. - CONCHOLOGY. T. Montagui. 3. Genus Monodonta. Animal. Shell. See Trochus. This genus appears to be the connecting link between 115 . articulatus. . pictus. . callosus. . clanguloides. . interruptus. levis. . albidus. . celandii. . quadricostatus. . Byronianus. . . elongatus. . filosus. . clangulus. . sulcatus, HHA SHR HHee HSH Pl. XI. the Trochus and Turbo; distinguished from the former, by an entirely rounded aperture, slightly depressed; from the latter, by the toothlike projecting angle the truncated columella occasions at Inhabits the Chinese seas. Thirty-four the base ; an operculum. species. Monodonta bicolor. M. pagodus. . papillosa. . coronaria. . Aigyptiacea. - modulus. Listeri, . tectum. . labio. . australis. . canalifera, SESS SESE SESSS . tectum-persicum. . carchedonius. - Monodonta badia. M. articulata. . lugubris. . punctulata. . caniculata. . seminigra. rosea. . lineata. rugosa. zebra. . reticularis. . trochlea. » atrata. ee Lee ee 116 CONCHOLOGY. M. obscura. M. concamerata. M. odontis. M. pulcherrima. M. viridis. M. fragarioides. M. constricta. M. tricarinata. 4, Genus T'urdo. Pl. XI. Animal. Very similar to that of Trochus, the sides sometimes ornamented with tentacular appendages, varying in number and form; head proboscidiform ; tentacula thin and setaceous. Shell. Depressed conical, or subturreted; sometimes umbili- cated, frequently carinated at its circumference; interior pearly ; aperture round or depressed, the middle of external edge holiowed ; edges rarely joined by a callosity; columella arched, rarely twisted, not truncated at the base; an operculum. Inhabits the Indian seas. Forty-three species, Turbo marmoratus. T. imperialis. T. torquatus. T. Sarmaticus. T. cornutus. T’. argyrostomus. T. chrysostomus. T. radiatus. T. setosus. T. splenglerianus. T. petholatus. T. undulatus. T. pica. T. versicolor. T. samaragdus. T. cidaris. T. diaphanus. T. rugosus. T. coronatus. T. crenulatus. T. margaritaceus. Turbo muricatus. T. littoreus. T. ustulatus. T. Nicobaricus. T. neritoides. T. retusus. T. bicarinatus. T. rudis. T. obtusus. T. pullus, T. cerulescens. T. cancellatus. T. costatus. T. niger. T. minimus. T. tuberculatus. T. zebra. T. pintado. T. crassus. T. fluctuatus. TT’. hippocastanum. saxasus. CONCHOLOGY,. 117 5. Genus Planaxis. Pl. XI. Animai. Unknown. Shell. Ovate conical, solid; aperture ovate, sublongitudinal, columella flat and truncated at the base, separated from the right margin by a narrow sinus. Interior surface of the right margin furrowed or lineated, and a callosity running under the summit. Inhabits the American and W. Indian seas. Four species. Planaxis sulcata. Planaxis bicolor. P. undulata. *P, levigatum. 6. Genus Phasianellu. Pl. XI. Animal. Spiral; foot oval; upon each side an appendage ornamented with filaments ; head edged anteriorly with a kind of veil formed by a double, bifid, fringed lip; two long conical ten- tacula; eyes borne upon short peduncles and situated at the ex- ternal part of their base ; mouth between two vertical subcornate lips. Shell. Marine; many of them very rare and valuable; their beauty of colouring disposed so as to resemble the plumage of a pheasant. Oval, rather thick, smooth and glossy, spine pointed ; columella uniting itself with the left edge, forming interiorly a londitudinal callosity ; aperture oval, larger before, with edges disunited ; operculum. calcareous, oval, oblong, subspiral, the summit at one extremity. Inhabits the British coast. Twelve species. Phasianella varigata. Phasianella sulcata. P, rubens. P, angulifera. P. bulimoides. P. lineolatus. P. elegans. P. perdix. P. lineata. P. Mauritania. P. nebulosa. P. Peruviana. 7. Genus Twrritella. Pl. XI. Animal. Spiral; foot fringed anteriorly by a transversely wrinkled band ; tentacular long, very fine towards their extremity somewhat thick at their base, and having the eyes upon an inflation ; the head skirted with a veil or fringe garnished with filaments. Shell. 'Turreted, not nacred, rather thin, striated in the direc ad * 118 CONCHOLOGY. . tion of the decurrence of the spire; very pointed, and with numerous whorls; aperture rounded; the edges posteriorly, the right exceedingly thin, and slightly sinous towards the middle ; operculum horny. Inhabits the Indian and American Oceans. Fourteen living species. Thirty-seven fossil. Turritella duplicata, Turritella terebra. . 'T. imbricata. T. replicata. T.. fuscata. T. cornea. T. brevialis. © bicingulata. T. trisulcata. 'T’. exoleta. T. catinifera. T. Australis. T. Virginiana.* T. saturalis.* 8. Genus Rotella. Pl. XI. Animal. See Turbo. — Shell. Orbicular, glossy, desifints of apadeueay spire short, subcoaic ; lower parts convex and callous ; ; aperture half round. Indian Ocean. Seven species. Rotella lineolata. Rotella formosa. R. Javanica. R. saturalis. R. rosea. R. equalis. R. monolifera. FAMILY XVII. * Canauirersa. Eleven genera. 1. Genus Cerithium. PI, XI. Animal. Much elongated; the mantle prolonged into a canal at its left side, but without a distinct tube; the foot short, oval, with an anterior marginal furrow ; the head terminated by a de- pressed proboscidiform muzzle. Shell. More or less turriculated and tuberculous; aperture small, oval, and oblique; the columellar edge much excavated and callous, the right edge trenchant, and slightly dilating with age. Operculum horny, oval, round, subspiral, and striated upon the external face. Inhabits the seas of N. Holland. Forty- one living species. Sixty fossil. Cerithium palustre. C. fasciatum. C. telescopium. C. muricatum. ‘ CONCHOLOGY. * i C. nodulosum. C. cressum. C. obeliscum. ; ©. obtusum. &. aluco. <, C. asperum. C. giganteum. C. vertagum. C, sulcatum. C. literatum. C, ebeninum. C. heteroclites, C. vulgatum. C, semiferrugineum. C. granulatum. C. tuberculatum. C. echinatum. C. ocellatum. C. subulatum. C. atratum. C. zonale. C. eburneum. C. tortulosum. C. lima. C. morus. C. zonatum. ™ C. erytheonense. C. rugosum. C. radula. au ~ C. mitriforme. C. decollatum. 4 C. punctatum. C. semigranosum. C. perversum. C. lineatum. C. petrosum. C. exasperatum. 2. Genus Pleurotoma. Pl. XI. Animal. Body oval, spiral above, enveloped in a mantle of which the right edge is furnished with lobes ; foot oval and some- what short; eyes situated at