INDEX 



551 



Crayfish, see Astacus fluviatilis 



Crevettina, 296 



Cribrellum, 522 



Criodrilidce, 181 



Cristatella, 184 



Crustacea, 288-413 



Cryptoniscidce, 296 



Cryptopentamera, 441 



Cryptophyalus, 292 



Cryptops, 438 



Cryptotetrama, 441 



Ctenaria ctenophora, 68, 80 



Cteniza, 510 



Ctenodrilus, 181 



,, monostylus, 267 



pardalis, 267 



Ctenopliora, 72 ; adhesive cells, 81 ; de- 

 velopment, 131 ; segmentation of egg, 

 125 ; sensory body, 79, 96 ; swimming 

 plates, 79, 81 



Ctenoplana Kowalevskii, 136, 137 



Cubomedusce, 72 



Cuculliadce, 442 



Culex, mouth parts, 450 



Culicidce, 443 



Culiciformes, 443 



Citmacea, 297 



Cunina, 69 



,, lativentris, tentaculocysts, 95 



Curculionidce, 441 



Cyamidce, 296 



Cyanea, 72 



Cydometopa, 299 



Cydoporus, 133 



Cyclops, 291 



,, coronatus, posterior maxillae, 313 

 ,, serrulata, antennules, 308 

 ,, signatus, 2d antennae, 310 

 ,, tenuicornis, mandibles, 311 



Cyclostomata, 264 



Cydippidce, 72 



Cylicobdella, 259 



Cylindrostoma, 156 



Cymothoa oestroides, sexual organs, 381 



Cymothoidea, 295 



Cynipidce, 44% 



Cyphonantes, 271 



Cyphophthalmidce, 509 



Cypridina, 290 



,, mediterranea, 289 



,, messinensis, posterior maxillss, 



313 

 ,, stellifera, anterior maxillae, 312 



Cypris, 290 



Cypris larva, 387, 386, 388 



Cyrtopia larva, 389 



Cysticercus, 171 



,, celluloses, 135, 172 

 ,, fasciolaris, 135 

 ,, pisiformis, 135 



Cystoflagellata, 8 



Cystonecta, 70 



Cythera, 290 



Cythera viridis, anterior maxillae, 312 

 Cytod, 2 



DANAIS, 463 



,, archippus, anatomy, 488 

 Daphnia, 290 



,, pulex, antennules, 308 



,, similis, 289 ; anterior maxillae, 



312 ; trunk feet, 316 

 Daphnidce, 289 

 Dasybranchus, 181 

 Decapoda, 298 

 Decticus, 439 

 Delamination, 126 

 Demodicidce, 510 

 Dendrobcena, 181 

 Dendroccelum, 133 

 Dendrocometes, 11 

 Dendrometridce, 44% 

 Dermaleichidce, 510 

 Dermaptera, 439 

 Dero, 181 

 Desor's larva, 275 

 Deutomerit, 9, 16 

 Deutoplasm, 26 

 Diastylis, 297 



,, stygia, 295 ; thoracic feet, 319 



pleopoda, 324 

 Dictyastrum, 6 

 Dictyna, 510 

 Dicyemidce, 58 - 

 Dicyema, 59 

 Difflugia, 4 



,, pyriformis, 3 

 Digenetic Trematoda, 134 

 Dimorphism, sexual (Vermes), 265; (Crust- 

 acea), 376 ; (Antennata), 490 

 Dinoflagellata, 8 

 Dinophilus, 185 



,, apatris, 265 



,, gyrociliatus, 246 



,, vorticoides, 265 



Diopatra, 182 

 Diphyes, 70 

 Diplopoda, 438 

 IHplozoon, 134 

 Dipneumones, 510 

 Diptera, 443 ; mouth parts, 450 

 Discalia, 70 

 Discocelis, 120 

 Discodrilidce, 181 ; segmentation of egg, 



125 



Discogastrula, 128 

 IHscomedusce, 72 

 Disconantha, 70 

 Disconecta, 70 

 Discophora, 180 

 Discoplanula, 128 

 Distoma, 134 



, , divergens, water- vascular system, 

 153 



,, hcematobium, 154 



hevaticum 134 \ life-history 169 



