Si6 



MOLLUSCA— BRACHIOPODA 



Brachytrema, ^i7 

 Brackish-water species, 14 

 Branchiae, 151, 153, 164 

 Branchial siphon, 155, 164, 173 

 Braun, on self -impregnation, 44 

 Breathing organs — see Respiration, 



Branchiae 

 Brechites, 459 



Breeding, periodicity in, 129 

 Broderipia, 408 

 Brotia^ 305 

 Brownia, 133 

 Buccinanops, 42S 

 Buccinopsis^ 424 ; radula, 221, 222 ; 



egg-laying, 128 

 Buccinum, 6, 424; radula, 217 ; mon- 

 strosity, 251 ; breeding, 129 ; osphra- 



dium, 195 ; spawn, 126 

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



331, 339, 442 ; protective habits, 70 ; 



B. pallidior, 38 

 BuUmulus, 278, 334, 339-359, 44^; 



jaw, 211, 233 ; radula, 233 ; varia- 

 tion, 87 

 Bulimus, 278, 342-359, 355, 44^; 



radula, 233 ; egg, 124 

 Bulinus — see Isidora 

 Bulla, 428, 430 

 Bullia, 155, 4^3; habits, 192; foot, 



198 ; radula, 221 

 Bulloidea, 429 

 Burrowing Mollusca, 446 

 Burying propensities of Mollusca, 27, 



41 

 Busycon, 424 ; 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 



Cadulus, 376, 445 



Caecilianella, 442 ; habitat, 48 ; eyes, 



186 

 Calcarella, 133 

 California, land Mollusca, 280 

 CalUostoma, 4O8 ; jaws, 212 

 Callistochiton, 403 

 Callochiton, 403 

 Callogaza, 4O8 

 Callonia, 44^ 

 Callopoma, 409 



Calma, protective coloration, 74 

 Calybium, 410 

 Calycia, 320, 442 

 Calycidoris, 434 

 Calyptraea, 248, 412 

 Camaena, 305, 306, 315, 316, 44I 

 Cambrian, Mollusca of the, 2 

 Camitia, 409 



Campaspe, 433 



Camptoceras, 302 



Camptonyx, 278, 302, 439 



Campylaea, 285, 289 f., 293, 44I 



Canal, 155 



Cancellaria, 4^6 



Canidia, 16, 305, 423 



Cannibalism in snails and slugs, 32, 

 33 



Cantharidus, 4O8 



Cantharus, 275 ; radula, 222 



Caprina, 456 



Caprotina, 456 



Capulus, 4^2 



Caracolus, 347-351, 44I 



Carbonicola, 451 



Cardiacea, 454 



Cardiapoda, 4^1 



Cardilia, 454 



Cardinal plate, 500 



Cardinal process, 497, 501 



Cardinalia, 4O8 



Cardinia, 451 



Cardita, 273, 451 



Carditella, 451 



Carditopsis, 451 



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

 12, 164 ; modifications, 12 ; variation, 

 84, 91 ; nervous system, 207; distri- 

 bution, 292, 297 



Garelia, 327, 443 



Carinaria, 9, 422, 422; foot, 200 



Carinifex, 439 



Carolia, 448 



Gartusiana, 296 



Carychium, 18, 439 



Caryodes, 325, 359, 44I 



Casella, radula, 230 



Caspia, 12, 297 



Caspian Sea, fauna, 12, 297 



Cassidaria, 4^0 



Cassidula, 18, 278, 439, 439 



Cassis, 255, 420 ; radula, 223 



Castalia, 344, 452 



Cataulus, 157, 266, 304, 414 



Caterpillars mimicking Clausilia, 68 



Cathaica, 316, 44I 



Catinella, 443 



Cavolinia, 158, 436 ; eyes, 186 



Cecina, 4^4 



Cenia, 432 ; breathing, 152 



Centrodoris, 434 ; radula, 230 



Centronella, 499, 506, 508 



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

 65 ; egg-laying, 127 ; embryo, 133 ; 

 branchiae, 168 ; osphradium, 195 ; 

 foot, 200 ; nervous system, 206 ; 

 jaws, 213 ; radula, 236 



Cepolis, 349-351, 441 



Cerastoma, 4^3 



Cerastus, 331, 441 



Cerata of Nudibranchs, 71, 159 



