5i6 



MOLLUSCA — BRACIIIOPODA 



Briichytrema, 417 

 Brackish-water species, 14 

 Branchiae, 151, 153, 164 

 Branchial sijAon, 155, 164, 173 

 Braun, on self-impregnation, 44 

 Breathing organs — sec Eespiration, 



Brancliiae 

 Brechites, 459 



Breeding, periodicity in, 129 

 Broderipia, 40S 

 Brntia. 305 

 Brownia, 133 

 Buccinanops, 4^3 



Buccinopsis, 4^4 j radula, 221, 222 ; egg- 

 laying, 128 

 Buccinum, 6, 4'24 > radula, 217 ; mons- 

 trosity, 251 ; breeding, 129 ; osphra- 



dium, 195 ; spawn, 126 

 Buliminus, 24, 278, 285, 295 f., 316, 331, 



339, 442 ; protective habits, 70 ; B. 



pallidior, 38 

 Bulimidiis, 278, 334, 339-359, 443; 



jaw, 211, 233 ; radula, 233 ; variation, 



87 

 Bulimus, 278, 342-359, 355, 441 ; radula, 



233 ; egg, 124 

 Bulinus — see Isidora 

 Bulla, 428, 430 

 Bullia, 155,423; habits, 192; foot, 198 ; 



radula, 221 

 Bulloidea, 439 

 Burrowing Mollusca, 446 

 Burying propensities of Mollusca, 27, 



41 

 Busycon, 4^4 '■> money made from, 97 ; 



egg-capsules, 125 — see Fulgur 

 Butterell, Mr., on habits of Testacella, 



52 

 Byssocardium , 455 

 Byssus gland, 201 



Cadlina, 434 



Cadoceras, 393 



Cadidus, 376, 44-5 



Caecilianella, 442 ; habitat, 48 ; eyes, 



186 

 Cakarella, 133 



California, land Mollusca, 280 

 CaUiostoma, 4OS ; jaws, 212 

 Callistochiton, 403 

 Callochiton, 403 

 Callogaza, 4O8 

 Callonia, 442 

 Callopoma, 409 



Calma, j^rotective coloration, 74 

 Calybium, 4IO 

 Calycia, 320, 442 

 Calycidoris, 434 

 Calyptraea, 248, 41^ 

 Canmena, 305, 306, 315, 316, 441 

 Cambrian, Mollusca of the, 2 

 Camitia, 409 



Campaape, 433 



CamjJtoceras, 302 



Camptonyx, 278, 302, 439 



Campyluea, 285, 289 f., 293, 441 



Canal, 155 



Cancel/aria, 4^6 



Canidia, 16, 305, 423 



Cannibalism in snails and slugs, 32, 



33 

 Cantharidus, 4OS 

 Cantlmrus, 275 ; radula, 222 

 Caprina, 456 

 Caprotina, 4-56 

 Ccqndus, 41^ 

 Oaracolus, 347-351, 441 

 Carbonicola , 451 

 Cardiacea, 454 

 Caniiapodu, 421 

 CurdUia, 454 

 Cardinal plate, 500 

 Cardinal process, 497. 501 

 Cardinalia, 4O8 

 Gardinia, 451 

 Cardita, 273, 451 

 Carditella, 451 

 fJardito2)sis, 451 

 Cardium, 6, 273, 455, 455 ; C. edule, 12, 



164 ; modifications, 12 ; variation, 84, 



91 ; nervous system, 207 ; distribution, 



292, 297 

 Carelia, 327, 443 



Cariwrria, 9, 422, 422 ; foot, 200 

 Carinifex, 439 

 Carolia, 448 

 Cartusiana, 296 

 Garychium, 18, 439 

 Garyodes, 325, 359, 44I 

 Casella, radula, 230 

 Gaspia, 12, 297 

 Caspian Sea, fauna, 12, 297 

 Gassidaria, 420 

 Gassidula, 18, 278, 439, 439 

 Gassis, 255, 4^0 ; radula, 223 

 Gastalia, 344, 452 

 Gataulus, 266, 304, 157, 414 

 Caterpillars mimicking Gkmsilia, 68 

 Gatlutka, 316, 441 

 Gatinella, 443 



Gavolima, 158, 436 ; eyes, 186 

 Gecina, 414 



Genia, 432 ; breathing, 152 

 Gentrodoris, 434 ', radula, 230 

 GentroueUa, 499, 506, 508 

 Cephalopoda, 378 f. ; defined, 5 ; ink, 



65; egg -laying, 127; embrj-o, 133; 



branchiae, 168 ; osphradinm, 195 ; foot, 



200 ; nervous system, 206 ; jaws, 213 ; 



radula. 236 

 Gepolis, 349-351, 44I 

 Gerastovia, 4'23 

 Gerastus, 331, 441 

 Cerata of Nudibranchs, 71, 159 



