SUBJECTS INDEX 



469 



Cornacuspongia, 22. 

 Cormilaria, 80. 82. 

 Corymorpha, 50, 73. 

 CorynidsB, 125. 

 Cot.vlorhiza, 108, 112. 



borbouica, 112. 



tuberculata, IDS. 

 Crinoidea, 443. 



mesenchvma of, 400. 

 Criodrilus, 281, 281,287, 291, 296. 



monostylus, 301. 



pardalis, 301. 

 Crystallodes, 64. 

 Ctenaria, 154. 

 Ctenophora, 136. 

 Ctenoplana, 157, 177. 

 CucuUauus, 234, 23i, 238, 242. 

 Cucumaria doliolum, larva of, 419. 



mest-nchyma of, 397. 



planci, 429, 432. 



pupal stage of, 427. 

 CuninijB, 49, 53, 58. 

 Cunoctantlia, 58. 

 Cyauea, 106, 112. 



arctica, 106. 



capillata, 112. 

 Cyaueidffi, 120. 

 Cvdippidae, 151. 

 Cysticercus (Tseniadse), 195. 



pisiformis (Fig. 96), 19 J. 

 Cystidaa, 458, 459. 



Darwinia, 175. 



Delamiuation, gastrulation by, 8. 



DendroccElidiB, 159, 169. 



Dendrocoelum lacteum, 169, 170. 



Desmacidon, 24. 



Desmophyidae, 71. 



Desor's type of development (Ne- 



mertini), 225. 

 Dicyema, 209. 

 Dicyemella, 209. 

 Dicyemennea, 209. 

 Dicyemidffi, 206, 209. 



relationships of, 215. 

 Dicyemina, 209. 

 Dicyemopsis, 209. 

 Dinophilus, 215, 313. 



apatris (gyrociliatus), 314. 



gitias, 314. 



relationships of, 314. 



tseniatus, 314 



vorticoides, 314. 

 Diphyidae, 68, 71. 

 Diphyopsis, 71. 

 Diplozoön, 188, 189. 

 Diptera, sexual cells of, 12. 



Discocelis, 161, 163. 

 Discomedusse, 103, 120. 

 DisconanthsB, 65. 

 Disconula, 65. 

 l>iscophora, 102,103. 

 Distomidffi, 178, 180. 

 Distomum cygnoides, 187. 



cylindraceum, 180. 



hepaticum, 180, 181, 185, 187. 



macrostomum, 185. 



mentulatum, 180. 



ovocaudatum, 185. 



tereticolle, 178. 

 Dochmius duodenalis, 239. 



trigonocephalus, 239. 

 DracunculuB, 243. 



Echinarachnius, 403, 439. 



Echinaster, larval appendages of, 

 422. 



Echinobothridae, 199. 



Echinocardium, cleavage in, 393. 



Echinococcus, 197. 



Echinocyamus, 440. 



Echinodermata, 392. 



regeneration and division in, 



456. 

 relationships of, 459, 460. 



Echinoidea, 398, 424, 438. 



Echinorhynchus angustatus, 250, 

 251. 

 gigas, 249, 250, 251, 253. 

 polymorphus, 252, 235. 

 proteus, 250, 251. 



Echinothuridee, 458. 



Echinus, 424. 



microtuberculatus, cleavage 

 in, 398. 



Echiuridse, 304. 



compared to the Sipunculidae, 

 365. 



Echiurus, 304, 306. 



Ectocarp medusffi, 124. 



Ectoderm, 3, 4. 



Edwardsia, 92. 



Edwardsidae, 93. 



Embolic gastrula, see Gastrula, em- 

 bolic. 



EnchvtrsBoides, 294. 



Enteropneusta, 373. 



Entocarp medusae, 124. 



Entoderm, 3, 4, 



Eosphora. 256. 



Epenthesis, 49. 



Ephydatia. 25. 



Ephyra, 104, 113, 114, 119. 

 pedunculata, 118. 



