INDEX 
Helix, 115. 
Physa, 136. 
Tellina, 347. 
Cornecyclas, 347. 
Corneocyclas, 347. 
Corneola, 347. 
corneola, Aspatharia, 420, 569. 
corneum, Spherium, 534. 
corneus, Bulinus, 136. 
Planorbis, 92, 116, 522, 533. 
cornix, Corvus, 535. 
cornuarietis, Pomacea, 174. 
Cornus, 510. 
corolla, Amnicola, 222. 
Potamopyrgus, 223. 
corona, Nerita, 165. 
coronata, Lavigeria, 325 (Fig. 68a), 590. 
Paramelania, 326. 
Thais, 54, 563, 564, 565. 
coronatus, Spizetus, 179. 
corone, Corvus, 535. 
corporosa, Melania, 249. 
corrugata, Aspatharia, 413. 
Mya, 388. 
Spatha, 413. 
Corvospongilla, 453. 
Corvus, 535. 
Corythornis, 5, 6. 
costata, Bridouxia, 314. 
Cleopatra morrelli var., 292. 
costigera, Bithynia, 220. 
Mysorella, 220. 
costulata, Vivipara, 205, 208. 
costulatus, Planorbis, 124, 
(Fig. 10), 556, 568. 
Planorbis, 124. 
Viviparus, 205, 208, 587. 
coulboist, Brazzxa, 426. 
Bulinus, 136, 139, 587. 
Cameronia, 441. 
Isidora, 139. 
Physa, 139. 
Unio, 407. 
Coulboisia, 302, 309, 310, 590. 
courtetz, Limnxa undussume var., 109. 
Lymnea caillaudi var., 109. 
Spherium, 348. 
cranchi, Pternistes, 476. 
125, 127 
615 
Pternistes cranchi, 476. 
Crangon, 2, 7, 8, 20, 42. 
Crangonide, 19. 
crassidens, Pedipes, 103. 
crassigranulata, Melania, 321. 
Paramelania, 321, 323,"590. 
Pyrgulifera, 321. | 
Tiphobia, 321. 
crassilabris, Edgaria, 329, 590. 
Nassopsis, 329. 
Paramelania, 328, 329. 
crassistriata, Burnupia, 151. 
crassistriatus, Ancylus, 151. 
Crateropus, 478. 
craveni, Bulinus, 136. 
Physa, 136. 
crawfordt, Melania, 254. 
Melanoides, 254. 
Planorbis, 125. 
crawshayt, Melania, 264. 
Melanoides, 254, 260, 264, 568, 597. 
Plo XAT) Gero, 
Vivipara, 208. 
Viviparus, 205, 208, 597. 
Crecopsis, 476. 
Cremnoconchus, 593. 
Crenothrix, 529. 
crenularis, Melania, 251. 
crepidularia, Neritina, 158. 
cristata, Corythornis, 5, 6. 
Neritina, 158. 
Valvata, 243. 
cronine, Nodularia, 380. 
cruda,. Peeudaelendhe. 476, 492, 503. 
Crustacea, 585. 
cryptoradiata, Spatha, 415, 416. 
cryptospira, Neritina, 158. 
crystallina, Physa, 136. 
crystallinus, Bulinus, 136. 
Ctenulus, 533. 
cubensis, Hippa, 7, 8, 57. 
Remipes, 57. 
Tornatellina, 103. 
cucullata, Ostrea, 522. 
Culex, 91. 
cumingil, Egeria, 361, 362. 
Galatea, 361. 
Galateia, 361. 
