INDEX 



945 



Crayfish, the fresh-water, 9, 320. 



— mode of life of, 320. 



— reproductive organs of, 332, 333. 



— the sea, 320. 

 Cremaster, 839. 

 Creodonta, 832, 873. 

 Cribrifonn plate, 791. 

 Cricket, 384, 390, 407. 

 Crinoid, 10. 



— stalked, 313. 

 Crinoidea, 291, 310, 315. 

 CristateUa 287. 

 Crocodiles, 4. 



— Alligators, and Gavials, 716. 

 Crocodilia, 4, 709, 716. 



— classification of, 716. 



— history of, 717. 

 Crop of bee, 380. 



— of earthworm, 250. 



— of leech, 275. 



— of pigeon, 747. 

 Crossopterygii, 636. 

 Crotalus, 709. 



Crumb of bread sponge, 164. 



Crura cerebri, 542. 



Crural vesicles, 363. 



Crusta petrosa, 814. 



Crustacea, 9, 320. 



-^- general characters of, 320. 



notes on, 354. 



— history of, 353. 



— systematic survey of, 339. 

 Cryptobranchus, 677. 

 Cryptozonia, 298. 

 Crystalline style, 450. 

 Ctenidia, 434, 468. 

 Cteniza, 422. 



Ctenodus, 642. 



Ctenoid scale, 632. 



Ctenophora, 168, 172, 201, 205. 



Ctenophore, diagram of a, 206. 



Ctenoplana, 206. 



Cubomedusae, 185, 205. 



Cucullanus, 240. 



Cucumaria, 310. 



Culicidse, 408. . 



Cuma, 350. 



Cunina, 205. 



Cupid's dart sac, 445. 



Cuscus, 841. 



Cuticle, 55, 176, 321. 



Cutis, 532. 



Cuttlebone, 456, 458, 488. 



Cuttlefish, 455, 482. 



Cuvierian organs, 308. 



Cyanea, 190, 205. 



Cyclas, 481. 



Cyclodus, 719. 



— " placenta " of, 701. 

 Cycloid scale, 632. 

 Cyclomyaria, 514. 

 Cyclopic eye, 80. 

 Cyclops, 343, 343. 

 Cyclostomata, 6, 574. 

 Cycloturus, 844. 

 Cydippe, 206. 



60 



Cymbulia, 474, 475. 

 Cymothoidae, 575. 

 Cynocephalus, 885. 

 Cynoidea, 870, 871, 872. 

 Cynomorph Monkeys, 885. 

 Cynomys, 867. 

 Cynopterus, 880. 

 Cypridina, 341. 

 Cyprinus, 617 

 Cypris, 341, 342. 

 Cysticercus, 229. 

 Cystidea, 291, 314. 

 Cystoflagellata, 134. 

 Cysts of Protozoa, 140. 

 Cytoplasm, 37, 51. 



Dactylopterus, 627. 

 Daphnia, 340, 341. 

 Dart sac of snaU, 445. 

 Dasypeltis, 706. 

 Dasypodidae, 844. 

 Dasyprocta, 867. 

 Dasypus, 541, 845. 

 Dasyuridae, 840. 

 Dasyurus, 840. 

 Dead-man's-fingers, 195, 205. 

 Death, natural, 13, rsi. 

 Death-watch, 390. 

 Death's-head moth, 390. 

 Decapoda (Cephalopods), 486. 



— (Crustacea), 353. 

 Decidua, 825. 



— reflexa, 825. 

 Deciduate, 827. 

 Decolopoda, 432. 

 Deep-sea fauna, 896. 

 Deer, 851. 

 Degeneration, 46. 

 Delamination, 81. 195. 

 Delphinoidea, 864. 

 Delphinus, 864. 

 Demodex, 423, 423. 

 Demospongiae, 162, 164. 

 Dendrites of nerves, 50. 

 Dendrobrachia, 195, 199. 

 Dendroccelum, 214. 

 Dendrohyrax, 856. 

 Dendronotus, 468, 474- 

 Dendrosoma, 135. 



Dengue fever, parasite of, 409. 



Dentalium, 466, 467, 478. 



Dentary, 619. 



Dentine, 554, 814. 



Dentition of Manmaals, 814. 



Depastrum, 205. 



Dermal denticles, 590. 



Dermaptera, 384, 407. 



Dermatophilus, 411. 



Dermis of Vertebrates, 532. 



Dermotrichia, 588, 631. 



Dero, 264. 



Descent, doctrine of, 105, 892, 



Desiccation of Nematohelminthes, 243. 



Desidiopsis, 417. 



Desis, 417. 



Desmodus, 879, 880. 



