5i8 



MOLLUSCA — BRACHIOPODA 



Cohtmhella, Jf23 ; radula, 222 



Columhellaria, J^20 



Columbellina, 1^20 



Columns, 328, 330, JfliS 



Cominella, 16, 4-^4- 



Composition of shell, 252 



Concha, 463 



ConchkUum, 497, 498, 500, 505; strati- 



grapliioal distrilmtion, 507, 508, 511 

 Conchole2Jas, 267, 4'^3 

 Conidea, j23 

 Conocardium, 455 

 Conorhis, 4^6 



Conus, 247, 275, 4~'5 ; poisonous hite, 65 ; 

 tooth, 66 ; shell, 69, 255, 260; mimicked 

 by Strambus, 69 ; prices given for rare, 

 121 ; spawn, 125 ; radula, 218, 220 ; 

 operculum, 269 

 Cookia, 40U 

 Coptochilus, 314, 4^4 

 Coralliophaga, 451 

 Coralliophila, 75, 4^-^ 

 Coralliophilidae, radula, 216 

 Co ram be, 434 

 Corasia, 311, 319-321 

 Corbkula, 15, 288, 292 f., 4o3 

 Corbis, 452 

 Corbula, 456 

 Corilla, 303 

 Corona, 27, 442 

 Coronaria, 297 

 Coryda, 346-351, 441 

 Coryphdla, 43-^ 

 Cosmoceras, 399 

 Cowry used as money, 96 

 Coyote trapped by Haliotis, 57 

 Cranchia, 391 



Crania, 464, 467, 468, 469, 471, 472, 

 473, 475, 476, 477, 4S7 ; distribu- 

 tion, 485 ; fossil, 493, 494, 504 ; strati- 

 graphical distribution, 506, 507, 508, 

 510 

 Craniidae, 4S7, 496, 504, ^OS 



Cranopsis, 265, 406 



Crasjpedochiton, 403 



Craspedopoma, 298, 414 



Craspedostoma, 4OS 



Crassatdla, 451 



Cratena, 432 



Crawling of Helix, 45 



Cremnoconchus, 16, 302, 413 



Crenatula, 75, 44^ 



Crenella, 449 



Crenipecten, 4^0 



Crepidula, 248, 257, 412, 412 ; parasitic, 

 78 



Crepipatella, 248, 41^ 



Creseis, 436, 436 ; eyes, 186 



Crimora, 434 J radula, 229 



Crioceras, 247, 399, 399 



GristigMa, 311, 319, 320, 44I 



Crossostoma, 4OS 



Crticihuhim, 248, 41-^ 



Cnjptochiton, 245, 371, 402, 404 



Cryptochorda, 425 



Cryptoconchus, 4O4 



Cryptnphthalmus, 430 



Cry ptostr aeon, 353, 441 



Cteiiidia, 151 — see Branchiae 



Ctenopoma, 346-351, 414 



GvcvMaea, Ti\, 44S 



Cultellus, 457 



Cunw,, 423 



Camingia, 453 



Cuspidaria, 459 ; branchiae, 168 



Guvienna, 436, 436 



Ci/ane, 4IO 



Gijalhopoma, IVl, 268, 314, 338, 414 



Cijchxs, 453 ; veliger, 132 ; ova, 146 ; 



otocyst, 197 ; C. cornea, thread-spinning, 



29 ; distribution, 282 

 Cyclina, 454 

 Cyclobranchiata, 156 

 Cyclocantha, A09 

 CyclDiniapha, 414 

 Cyclonassa, 423 

 Gyclonemn, 409 

 Cyclophoridae, origin, 21 

 Cijclophorus, 302, 306-319, 329-334, 344, 



352-358, 414 ; jaws, 212 ; radula, 



21 

 Cyclostoma, 328, 331 - 338, 414, 414 ; 



stomach, 239 ; vision, 184 ; osphradium, 



195 ; nervous system, 205 ; C. elegans, 



287, 288 

 Cyclostomatidae, origin, 21 ; radula, 224 ; 



gait, 199 

 Cyclostrenw, 4OS 

 Cyclosurus, 247, 337, 414 

 Gyclotopsis, 338, 414 

 Gyelotus, 296, 319, 320, 414 

 Gylichna, 428, 430 ; railula, 215 

 Gylindrella, 247, 260, 278, 343-355, 348, 



442; monstrosity, 251, 252 

 Cylindrellidae, radula, 233, 234 

 Cylindrites, 430 

 Cylindrobulla, 430 

 Gylindromitra, 425 ; radula, 222 

 Cymbium, 255, 367, 425 ; radula, 221 

 Gymbulia, 437 

 Cymbuliopsis, 437 

 Cynodonta, 424 

 Gyphoma, 419 

 Cypraea, 178, 419 ; prices given for rare, 



122 ; mantle-lobes, 177, 178 ; radula, 



224 ; shell, 255, 260, 261 ; C. moneta, 



96 

 Cypraecassis, 420 

 Cypraedia, 419 

 Gypraeovula, 419 

 Gyprimeria, 454 

 Gyprina, 451 



Cyrena, 15, 453 ; distribution, 285, 294 

 Cyrenella, 453 



