INDEX 



551 



Crayfish, see Astacus flumatilis 

 Crei-ettina, S96 

 Cribrellum, 5'2'2 

 CriodriUdas, 181 

 Cristatella, 1S4 

 Crustacea, 288-413 

 Ci-yptoniscidce, 396 

 Cryptopentamera, 44I 

 Cryptophyalus, 29J 

 Crypiops, 43S 

 Cryptoteirama, 441 

 Ctenaria ctenoplwra, 68, 80 

 Cteniza, 610 

 Ctenodrilus, 181 



,, monostylus, 267 



,, pardalis, 267 



Ctenoplwra, 72 ; adhesive cells, 81 ; de- 

 velopment, 131 ; segmentation of egg, 

 125 ; sensory body, 79, 96 ; swimming 

 plates, 79, 81 

 Ctenoplana Kowalevskii, 136, 137 

 Cubomedtisce, 73 

 Cuculliadce, 44^ 

 Culex, mouth parts, 450 

 CulicidcB, 443 

 CvMcifonius, 443 

 Cianacea, 297 

 Cunina, 69 



,, lativentris, tentaculocysts, 95 

 Curculionidce, 44^ 

 Cyamidce, 296 

 Cyanea, 73 

 Cycloinetopa, 299 

 Cycloporus, 133 

 Cydops, 291 



„ coronatus, posterior maxillse, 313 

 ,, serrulata, antennules, 308 

 ,, signatus, 2d antenna, 310 

 ,, tenuicornis, mandibles, 311 

 Cyclostomata, 264 

 Cydippidce, 72 

 Cylicobdella, 259 

 Cylindrostoma, 156 



Cymotlioa cestroides, sexual organs, 381 

 Cymothoidea, 295 

 Cy'fiipidce, 4^ 

 Cyphonantes, 271 

 Cyphophthalmidce, 509 

 Cypridina, 290 



,, mediterranea, 289 



,, -messinensis, posterior maxillse, 



313 

 stdlifera, anterior maxillaj, 312 

 Cypris, 290 



CypHs larva, 387, 386, 388 

 Cyrtopia larva, 389 

 Cysticercus, 171 



„ cellulosm, 135, 172 



,, fasciokiris, 135 



,, piaifcrnnis, 135 



Cystoflagellata, 8 

 Cystonecta, 70 

 Cythera, 290 



Cyth'jra viridis, anterior maxilla, 312 

 Cytod, 2 



DAifAis, 463 



,, archippus, anatomy, 488 

 Daphnia, 290 



,, pulez, antennules, 308 



,, similis, 289 ; anterior maxillaB, 

 312 ; trunk feet, 316 

 Daphnidce, 289 

 Dasyiranclius, 181 

 TJecapoda, 298 

 Decticus, 439 

 Delamination, 126 

 Demodicidce, 510 

 DendrobcBna, 181 

 Dendrocaluin, 133 

 Dendrocometes, 11 

 Lendrometridce, 44^ 

 Denncdeichidce, 510 

 Dermaptera, 439 

 Dero, 181 

 Desor's larva, 275 

 Deutomerit, 9, 16 

 Deutoplasm, 26 

 Diccstylis, 297 



, , stygia, 295 ; thoracic feet, 319 



pleopoda, 324 

 Dictyastrum, 6 

 Dictyna, 510 

 iJiajemidce, 58 

 Dicyema, 59 

 Difflugia, 4 



,, pyriformis, 3 

 Digeuetio Treniatoda, 134 

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

 acea), 376 ; (Antennata), 490 

 DinoJlageUata, 8 

 Dinophilus, 185 



,, apatris, 265 



,, gyrociliatus, 246 



,, vorticoides, 265 



Diopatra, 183 

 Diphyes, 70 

 Diplopoda, 4-55 

 Diplozoon, 134 

 Dipneumones, 510 

 Diptera, 443 ; mouth parts, 450 

 Discalia, 70 

 Discocelis, 120 

 Discodrilidm, 181 ; segmentation of egg, 



125 

 Discogastrula, 128 

 Dkcomedusce, 72 

 Disco'/iantlia, 70 

 Oisconecta, 70 

 Diseophora, 180 

 Discoplanula, 128 

 Distmna, 134 



, , divergens, water- vascular system, 

 153 

 ' ,, limmatdbium, 154 



hevaticum 134 < life-history 169 



