Cheilostomata, 153 

 Chelicerae. 226 

 "Chelicerate." 226 

 Chelifer. 248 

 Chigger. 251 

 Chilomonas. 23 

 Chilopoda, 240 

 Chink shells. 160 

 Chiridola. 276 

 Chiropsulnuis. 76, 80 

 Chiton. 158*. 159 (38) 

 Chhimydomoniis. 25 

 Chlamys. 189* 

 Chlorophyll. 21 

 Choanoflagellates. 26 

 Chordata."l4. 15 

 Chromatophores. 21 

 Chronuilinn. 22 

 Chrysaora. 80 

 Chrysomonads, 22 

 Cidarids. 281 

 Cidaris. 281 

 Cilia. 51 

 Ciliata. 51 

 Ciona. 281. 288* 

 Cirripedia. 233 

 Cislenides. 202 

 Cladocera. 230. 232* 

 Clams. 158*. 184 

 Clamworm. 201 * 

 Chilhnilina. 3 1 

 Clava. 72 (4) 

 Clavellimi (144) 

 Cliono. 63 

 Clione. Ml- 

 Clionidae, 64 



Clitellio. 206 

 Clitellum, 206 

 Clonorchis, 125* 

 "Cloth of gold." 187 

 Clypeasler. 283 

 Cnidaria, 67, 68 

 Coccidians. 49 

 Coccidiosis. 49 

 Coccoliths. 23. 30 

 Cockle. 191 

 Cocoon, 206 

 Codosiga. 26 

 Coelenterata. 15. 67 

 Coenohita (101) 

 Coleps, 52 

 "Collar cells." 57 

 Colohocentrotiis, 283 

 Colossendeis. 253 

 Colpoda. 52 

 Comb jellies. 115. 117* 

 "Compensation cavity," 151 

 Conchoderina, 233 

 Conchs. 177. 180 (51) 

 Cone snails. 177 

 Conjugants. 5 1 

 Contractile vacuole. 21 

 Conus. Ill (59) 

 Convoliita. 121 (36) 

 Copepoda. 230, 231*. 232* 

 Coquinas. 188, 191* 

 Coral reefs. 1 1 I 

 Corals. 97 (23-29), (31) 

 Coralliiiin. 102 

 Cordylophora, 11 

 Coronate jellvfishes, 80 

 Coronuhi. 233 



Corymorpha, 72 

 Coscinasterias. 280 

 Cowries, 181, 184* (58) 

 Crabs, 239 (95-104) 

 Cniitgon. 236. 237 

 Crania. 154 

 Craspedacitsla. lA 

 CraU'iolopluis. 11* 

 Crayfishes. 237, 239* (93), 



(94) 

 Crepidula, 180 

 Creseis. 197* 

 Crinoidea. 255 

 Cristalelhi. 152 

 Crossaster. 279 (127) 

 Crustacea. 229 

 Cryplochiloii. 160 

 Cryptomonads. 23 

 Ctenidia. 177 

 Ctenodiscits. 277 

 Ctenophora. 15. 115 

 Cleiioplaiui. 1 18 

 Ctenostomata. 153 

 Cuboidal jellyfishes, 80 

 Cucitmaria. 215 ( 140) 

 "Cultured pearls." 186 

 Cuttlefish. 194 (75) 

 Cyaiiea. 76, 78*, 80, 97 

 Cyclops. 231* 

 Cydippids. 1 16 

 Cypnwa. 184* (58) 

 "Cyprid" stage, 233 

 Cypris. 233 

 Cysts, 19 



D 



Dactylomelra. 76, 79*. 97 (7) 



Daddy longlegs, 249, 252* 



Daphnia. 230* 



"Date mussel." 191 



"Dead men's fingers," 99* 



Decapoda, 236 



Deep scattering layer, 231 



Dendronotits (63 ) 

 Dendrophyllia. 110 

 Deiidrosoina, 55 

 Denlalhim. 193. 198* 

 Dermacentor, 252 

 Dernianyssiis, 251 

 Dero, 306 



Diadema. 281. 282* 

 Diadumene, 108 

 Dihothriocephalus. Ill 

 Didiuiuin. 51, 52 

 Diffiiigia. 29 

 Digenetic flukes, 125 

 Dinobryon, 22 



[295 



