508 



Index 



Costate Wentletrap, 162 



Cowrie-helmet, 194, pi. 9c 



Cowrie, Panther, 7 



Cowrie, Tiger, 7 



Cowries, species of, 180, pi. 6 



Crawford's Nutmeg, 252, fig. 55b 



Crenellas, species of, 350 



Crenulate Tellin, 429, fig. 86h 



Crenulated Paper-bubble, 283 



Crested Oyster, 373, pi. 28c 



Crispate Slit-shell, 91 



Cristate Limopsis, 347 



Cross-barred \^enus, 407, pi. 39h 



Cross-hatched Lucina, 391, pi. 30m 



Crosse's Tun, 199, pi. 2 3g 



Crown Conch, Common, 234, fig. 52 



Crown Cone, 262, pi. 14m 



Crusaders, 1 1 



Cuming, Hugh, 5 



Cumingias, species of, 436 



Cup-and-saucers, species of, 169 



Clip and Saucer Limpet, see Striate 



Cup-and-saucer, 170 

 Cuspidarias, species of, 475-477 

 Cut-ribbed Ark, 344, pi. 27-0 

 Cuttlefish bone, 480 

 Cuttlefish, species of, 479 

 Cyclostreme, 121 

 Cylinder Sun-dial, 142 

 Cyphomas, species of, 183, pi. 4 



Dall's Black Turret, 268, fig. 57J 



Dall's Caecum, 147, fig. 37h 



Dall's Deepsea Hoof-shell, 166 



Dall's Dwarf Gaza, in, fig. 32d, e 



Dall's Dwarf Tellin, 424, fig. 86d 



Dall's Egg Cockle, 400 



Dall's Little Abra, 437, pi. 30W 



Dall's Pitted Murex, 205, pi. 25J 



Dall's Razor Clam, 443 



Dall's Rosy Top-shell, 112 



Dall's Treasured Simnia, 182, pi. 7f 



Dall's Trophon, 208, fig. 46a 



Dall's Wentletrap, 161, pi. 22c 



Dall, William H., 7 



Dark Dwarf Turban, 126 



Date Mussels, species of, 356 



Decussate Bittersweet, 348, pi. 2 7h 



Decussate Crenella, 350 



DeKay's Dwarf Tellin, 423 



Delicate Giant Turret, 268, pi. 13m 



Dclphinula Nut Clam, 335, fig. 70 



Deltoid Rock-shell, 214, pi. 25b, k 



de Marco, Simon, 68 



Dentaliums, species of, 327, fig. 69 



Diplodons, species of, 383 



Dire Whelk, 232, fig. 5od 



Discord Musculus, 355, pi. 28c 



Disk Dosinia, 417, fig. 81 c 



Dislocated Anger, sec Common Atlantic 



Auger, 265 

 Dispersal of shells, 9, 10 

 Distorsios, species of, 196, pi. 25 

 Distribution, bathymetric, 18, 32 

 Divaricate Nut Clam, 336, fig. 72c 



Doc Bales' Ark, 343, pi. 27k 



Docoglossate, 79 



Dog-head Triton, 196, pi. 9] 



Dog-whelk, see Nassa or Dogwinkle 



Dogwinkles, species of, 214 



Dohrn's Volute, 251, pi. 13J 



Domingo Cardita, 378 



Donax, species of, 437 



Dosinias, species of, 417 



Dotted Horn Shell, see Fly-specked 



Cerith, 154 

 Doris, species of, 299-307, pis. 15, 16 

 Dove-shells, species of, 220-224 

 Drake's Aloon-shell, 187, fig. 43a 

 Dredging, 59, fig. 20 

 Drillias, species of, 270 

 Drills, species of, 2 1 1 -2 1 3, 219 

 Drupes, species of, 211 

 Dubious Volute, 251 

 Duck Foot, see American Pelican's Foot, 



173 

 Dusky Tegula, 120, pi. i8y 

 Dwarf Atlantic Planaxis, 150 

 Dwarf Balloon Eolis, 309, pi. 15c 

 Dwarf Brown Periwinkle, 133, pi. 19k 

 Dwarf Cerith, 154, pi. 19-0 

 Dwarf Deepsea Miter, 248 

 Dwarf Glass-haired Chiton, 318 

 Dwarf Hairy Triton, 195, pi. 2 5n 

 Dwarf Keyhole Limpet, 97 

 Dwarf Olives, species of, 246 

 Dwarf Purple Sea-snail, 160, pi. 4-I 

 Dwarf Red Ovula, 181, pi. 2 2q 

 Dwarf Suck-on Limpet, 106, pi. 17b 

 Dwarf Surf Clam, 449, pi. 32-0 

 Dwarf Tiger Lucina, 391, pi. 30-I 

 Dwarf Tritons (Ocenebra), species of, 



216 

 Dwarf Turbans, species of, 125 

 Dwarf Turton Clam, eggs of, 41 

 Dwarf White Moon-shell, 186 

 Dyes, 1 1 

 Dye Shell, see Wide-mouthed Purpura, 



Dyson's Keyhole Limpet, 97, pi. i7n 



Eared Ark, 344, pi, 27P 

 Eastern Micro-cockle, 399 

 Eastern Mud Nassa, 240, pi. 23P 

 Eastern Oyster, 375, pi. 28a 

 Eastern Turret-shell, 141, pi. 2ih 

 Eastern White Slipper-shell, 172 

 Edentulous bivalve shell, 84 

 Edible Mussel, see Blue Mussel, 354 

 Egg-cases, of snails, 29, figs. 8, 9 



literature on, 495 

 Egg Cockles, species of, 399 

 Egg laying, of Paper Nautilus, 49 



of Periwinkle, 29 



of Whelk, 30 

 Eggs, of clams, 41 

 Elegant Dosinia, 417 

 Elegant Fossarus, 176, pi. 25c 

 Emarginate Dogwinkle, 216, fig. 48a 

 Emerald Nerite, 130, pi. 4h 



8id 

 25W 

 16 



6h 



Emperor Helmet, 193, pi. 23V 

 Empress Venus, 404, pi. 38-I; fig. 

 Engina, White-spotted, 232, pi. 

 Eolis, species of, 307-310, pis. 15, 

 Equilateral, definition of, 82 

 Equivalve, definition of, 82, fig. 2 

 Eratos, species of, 176, pi. 22 

 Erect Worm-shell, 143-144 

 Eroded Periwinkle, 134, pi. 20a 

 Eroded Turret-shell, 140, pi. 21 

 Ervilia, Concentric, 452 

 Escutcheon, fig. 27 

 Excavated Slipper-shell, 172 

 Exchanging shells, 66 

 Eye, of chitons, 53 

 of scallops, 43 



Faba Crenella, 350, fig. 75a 

 Falcate Date Mussel, 356, pi. 29k 

 Fallen Angel Wing, 461 

 False Angel Wing, 420, pi. 32Z; fig. 94! 

 False Cerith, 153, fig. 39, pi. 19s 

 False Cup-and-saucer, 165, pi. 2ip 

 False Dials, species of, 139 

 False Drill, 211, fig. 47f 

 False Jingle Shell, 372, pi. 29d 

 False Limpet, species of, 310, fig. 65 ij 

 False Alussel, Conrad's, 382 

 False Prickly-winkle, 135, pi. i9h 

 Fan Shell, see Zigzag Scallop, 362 

 Fargo's Worm-shell, 145, pi. 21b 

 Fat Colus, pi. 23U, not in text 

 Fat Dove-shell, 221 

 Fat Gulf Donax, 438 

 Fathom = 6 feet 



Fat Horsemussel, see Capax Horse Mus- 

 sel, 352 

 Fat Neptune, 230, pi. 24s 

 Fat Pacific Lepton, 397, fig. Sob 

 Faust Tellin, 428, pi. 40) 

 Fecal pellets, 36, fig. 13 

 Feeding, by snails, 21 



by clams, 35 

 Fenestrate Limpet, 102, pi. i8t 

 Festive Murex, 206, pi. 24-I 

 Fighting Conch, Florida, 174, pi. 5h 

 Fig Shell, Common, 200, pi. 9i 

 File Dogwinkle, 216, fig. 48d 

 File Fleshy Limpet, 98, pi. 17] 

 File Limpet, 102, pi. 18-0 

 File Paper-bubble, 283, fig. 59f 

 File Shell, see Lima, 370 

 File Yoldia, 340, fig. 71b 

 Filose Turret, 273, fig. 57-I 

 Fimbriated Shipworm, 467, fig. 95f 

 Fine-lined Lucina, 387, fig. 78h 

 Fine-ribbed Auger, 266, pi. 26k 

 Fine-sculptured Frog-shell, 198 

 Fingered Limpet, 103, pi. i8f 

 Fingerprint Cyphoma, 184, pi. 4t 

 Flame Auger, 265, pi. 1311 

 Flame Helmet, 193 

 Flamingo Tongue, 183, pis. 8, 4r 

 Flap-tipped Piddock, 463 



