434 



Index. 



Cytode, 5. 



Gytogenous tissue, 15. 

 Czajewicz, 16. 



Dacnitis, 184. 

 Dactylocalyx, 74. 

 Dactylogyra, 163. 

 Dactylopodite, 331. 

 Dactylopora, 53. 

 Dactylota, 153. 

 Dalyell, 113. 

 Daphnia, 350. 

 Dart of Helix, 301. 

 Darwin, 41, 344, 345. 

 Dasmiidae, 116. 

 Dasydytes, 218. 

 Daudebarda, 311. 

 Davaine, 266. 

 Decapoda, 325, 353. 

 Decollate shells, 295. 

 Deiters, 23. 

 Delle Cliiaje, 175. 

 Delphinula, 307. 

 Deltidium, 248. 

 Demodex, 372. 

 De Morgan, 18. 

 Dendritina, 54. 

 Dendrochirotae, 153. 

 Dendrocoela, 160. 

 Dendroccelum, 163. 

 Dendrocometes, 69. 

 Dendrodoa, 233, 240. 

 Dendronereis, 221. 

 Dendronotus, 282, 300, 303, 304. 

 Dendrosoma, 38. 

 Dendrostomum, 193. 

 Dendrostyle, 104. 

 Dentalina, 69. 

 Dentalinidae, 275. 

 Dentalium, 273, 274. 

 Dentes, 287. 

 Depastnim, 102. 

 Depilatory glands, 300. 

 Depuratory organs, 26. 

 Dermal bones, 19. 

 Dermal glands, 33, 364. 

 Dermanyssus, 373. 

 Dermatobranchiata, 303. 

 Dermaptera (Euplexoptera), 402, 

 Dermestes, 417. 

 Dermobranchiata, 293. 

 Dermosclerites, 121. 

 Dero, 2 20. 

 Derostomum, 161. 



Deslongchamps, 135. 

 Desmacella, 74. 

 Desoria, 402. 

 Deuterostomata, 48, 206. 

 Deuterozooids, 35. 

 Development of Cartilage, 17. 



,, of animals in time, 46. 



Devonian formation, 46. 

 Dexiotrope, 283. 

 Dcxtral, 283. 

 Diadematida?, 147. 

 Diakonow, I. 

 Diaphanocephalus, 186. 

 Diaphoropodon, 59. 

 Diaptomus, 347. 

 Dias, 327. 

 Diazona, 233, 241. 

 Dibaphus, 308. 

 Dibothria, 170. 

 Dibothrium, 170. 

 Dibranchiata, 325. 

 Dicelis, 160. 

 Diceras, 256. 

 Dichelestidse, 348. 

 Dichelestium, 348. 

 Dichitonida, 232. 

 Dicorpie, 88, 91. 

 Dicorynidae, 91. 

 Dictyocystideje, 70. 

 Dicyemidse, 117. 

 Dicystidea, 65. 

 DidemniinK, 241. 

 Didemnium, 231, 241. 

 Didymophyes, 65. 

 Diesing, 65, 171, 176, 179. 

 Diesingia, 193. 

 Differentiation, 26. 

 Difflugia, 57, 58. 

 Digenea, 175. 

 Digenesis, 35. 

 Digestive canal of Brachiopoda, 227. 



,, ,, of Bryozoa, 226. 



„ „ of Chaetognatha, 207. 



„ „ of Crustacea, 332. 



„ „ of Gasteropoda, 290. 



„ ,, of Lamellibranchiates, 



259- 

 „ „ Leeches, 201. 



„ „ of Molluscs, 245. 



„ „ ofRotifera, 195. 



„ „ of Synapta, 149. 



,, ,, of Trematodes, 177. 



„ „ of Tunicates, 233. 



Diglena, 197. 



