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

somewhat conical, Subulate, awlshaped. Sulcated, furrowed. Summit, the tip or apex. Suture, a hollow line of division in univalves, the spiral line of which separates the wreaths, T; Teeth, pointed protuberances within the hinge in bi- valves, by which the valves are united. Tentacula, the feelers of snails, which inhabit shells. Tessalated, checquered like a chess board. Testacea, that order of animals covered with a testaceous shell. “fa, Testaceous, consisting of car- 152 bonate of lime and animal matter. Tortuosity, flexure. Tortuous, twisted. Transverse, crossways. Trapeziform, shaped like a tra- pezium. Trigonel, having three angles. Truncated, cut short, ending abruptly. Tubercle, knot or pimple. Tuberculated, knotted, pimpled. Tubular, in the shape of a hol- low tube. Tunicated, coated. Turbinated, shape like a top or pear. Turgid, swollen. ‘U and V. Valves, the various pieces which compose the shell. Varices, longitudinal ribs in uni- valve shells. Variety, difference in species. Vaulted, roofed. Ventral, belonging to the belly, THE CONCHOLOGY. | Ventricose, inflated, swelled in the middle. | Vermiform, worm shaped. | Vertex, the’ top or most pro- minent part. | Verrucose, warted. Verticulated, whorled. Umbilicated, having a depres- sion in the centre. Umbo, the round part which turns over the hinge. Undulated, waved. Ungulate, shaped like a horse’s hoof. Unilocular, chambered singly. Univalve, shells of one valve only. Volutions, the turnings of uni- valves. Ww. Whorl, a spiral convolution. Z. Zigzag, having reverse turnings and windings. Zoned, surrounded by belts or girdles. END. Acasta, - Acera, - Achatina, - Alata, a Amphidesma, Amphitritea, Amphitrite, - Ampullaria, - Anastoma, - Anatifera, Anatina, - Ancillaria, - Ancylus,— - ANNULATA, - . Annodonta, - Anomia, - Aplysiaceu, - Aplysia, - Arca, - Arenicola, - Arcacea, - Argonauta, - Aspergillum, Auricula, - Avicula, =i® B. Balanus, - Bivalve shells, Brachiopoda, Buccinum, - — Bulimus, - Bulla, - Bullacea, - Bullea, * Calyptrea, Canalifera, | Cancellaria, Capsa, Cardiacea, Cardita, Cardium, Carinaria, Carocolla, Cassidaria, Cassis, Castalia, Chama, Cerithium, Chamacea, Chiton, Chitonellus, Cineras, Calyptracea, Cirrurrepa, Cirrhipeda, Classification, | Clausilia, Clavagella, Cleodora, Clio, Clymene, , Colimacea, | Columbella, Columellaria, | Conchacea, Convoluta, } | ConcaireRa, | Conus, Corbis, 15 5 Corbula, - Corbulacea, Concholepas, Coronula, - - Crania, - Crassatella, - ~ Crassina,— - Crenatula, - Crepidula, - Creusia, —- Cucullea, - Cyclas, - Cyclostoma, Cymbulia, - Cyrena, Cyprewa, - Cypricardia, Cyprina, ss - Cytherea, - Delphinula, - Dentalium, - Diceras, - Dolabella, - Dolium, - Donax, - Dorsalia, Eburna, Emarginula, Erycina, - Etheria. “- ' Fasciolaria, Fissurella, - Fistulana, Fusus, - Galathea, - Galeolaria, - Gastrochena, Q Haliotis, ~ Harpa, “i > Helicina, Helix, | Heteropoda, Hiatella, Hippopus, Hyalea, Byria, se Iridina, Isocardia, Janthinea, Janthina, Lima, Limacinea, Limacina, Limax, Lingula, Lithophagi, Lucina, Lutraria, Lymnacea, Lymnea, Mactracea, Mactra, - MMacrostomiana, - Magilus, Mallacea, Malleus, Maldania, Marginella, Melaniana, Melani, WS OM, ie et ete oe ¥ . x “. VA aS ae : tee OY a re ~~ ot) é A \ . * . va ‘SS *s te, c:-% ~*~ re “ : ee 4 RS it eG « é so ae . ihre, . - es + ey “INDEX. : ite: Ste wae Melanopsis, - ba 103 | Pedum, * Meleagrina,- ~~ -» ne 72-| Pectinea, - Mitra,’ «. 5% + «184 | Peristomiana, Modiola, = - 69 | Perna, - Mouuusea,*** *. 4 80 | Petricola, - Monoceros, - i 130 | Phasianella, - , Monodonto, - - *115 | Pholas, - Murex, . ° = - 124 | Pholadaria, | Multivalves, z 9 | Physa; yr - ¢, Myaria,~ - . 38 | Phyllidia, = Mya, - - 38 Phyllidiacea, Mytilus, = : 68 | Pirena, - Mytilacea, - o 68 Pinna, = - ‘ Pileopsis, - m5 N. | Planorbis, - Naiadea,- - 2 |Plicacea, -° Natica, - - 108 | Planaxis, - Nauiilacea, mm: 144 | Placuna, - Nautilus, - - 145 | Pleurotoma, Wavicella, - - 107 | Pleurobranchus, Nerita, 2 ame 107 |Plicatula, - Neritina, - - 106 | Plagiostoma, Neritacea, - - 106 | Pneumodermon, Nucula, . - 60 | Pollicipes, - Nymphacea, - 45 | Podopsis, - Psammobia, - O. Psammotea, - - Oliva, - - 140 | Pteroceras, - Onchidium, - - 92 | Pteropoda, - Orbicula, = - : 79 | Pupa, - Ostrea, - - 76 |Purpura, - Ostracea, - . 76 | Purpurifera, Otion, - - 33 | Pyramidella, Ovula, - - 139 | Pyrula, - Pyrgoma, - P. Paludina, - - 104 R. Parmacella, - - 92 | Ranella, - Parmophora, - 86 | Ricinula, - Patella, - - 84 | Rostellaria, - Pandora, - - 43 | Rotella, - Panopea,- - - 37 Pecten, - - 73 Ss. Pectenaria, - - 27 |Sabellaria, - Pectunculus, - 59 | Sanguinolaria, 156 ‘Saxicava, - Scalaria, - » Scalarina, - Se taria, ~ = Serpula, ~ - Serpulacea, igaretus, - Siliquaria, - Solarium, - Solecurtus, .- Solen, - _ Solenea,’ - acetia, bas Solemya, - Spirorbis, - Spirula, - Spondylus, - Stomatella, - Stomatia, - Strombus, - Struthiolaria, Succinea, - Tellina, - Tellinides, - Terebella, — - Te tbellon Terebra, = Terebratula, Teredo, ne ¥ INDEX. Page 44 | Teredina, - 112 | Testacella, © - 112 | Tornatella, - 35 | Trochus, - 28 | Tridacna, - 28 | Tridacnea, = 109 | Trigonia, - 25 | Trigonacea, 113 | Triton, - 38 | Tubicola, - 37 | 'Tubicinella, - ~ 37 |'Turbo; - 45 | Turbinacea, 42 | Turbinella, - 28 | Turritella, - 144 . 73) U. 109 | Umbrella, - 1}0 | Ungulina, - 127 | Unio, - 123 | Univalves, - 99 | Valvatay - Venericardia, Venerirupis, 46 | Venus, - 48 | Vermilia, - 27 | Vermetus, - 140 | Vitrina, - 133 | Voluta, - 79 | Volvaria, - 35 | Vulsella, - < : ERRATA. Page 17, for “worl” read * whorl.” » 987, for “Solenida” read “ Solenea.” » 44, for “ Lithophagi” read “ Lithophaga.”’ ~ & V. » 79, 6th genus of Family Ostracea omitted. Animal. Shell. valve flat, with three perforations. One species. 6. Genus Crania. See Anomia. Orbicular; the upper valve gibbous and conical ; lower Inhabits the Indian Ocean. PI. TX. Crania orbicula. ye #