I 



SUBJECTS INDEX 



460 



Cornacuspongia, 22. 

 Cornularia, 80, 82. 

 Corymorpba, 50, 73. 

 Corynidas, 125. 

 Cotylorhiza, 108, 112. 



borbonica, 112. 



tuberculata, 103. 

 Crinoidea, 413. 



mesenchvma of, 400. 

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



monostylus, 301. 



pardalis, 301. 

 Crystallodes, 64. 

 Ctenaria, 154. 

 Ctenophora, 136. 

 Ctenoplana, 157, 177. 

 CucuUanus, 234, 23-5, 238, 242. 

 Cucumaria doliolum, larva of, 419. 



mest-nchyma of, 397. 



planci, 429, 432. 



pupal stage of, 427. 

 CuniniaB, 49, 53, 58. 

 Cunoctantba, 58. 

 Cyaoea, 106, 112. 



arctica, 106. 



capillata, 112. 

 CyaneidsB, 120. 

 CydippidsB, 151. 

 Cysticercus (Tseniadse), 195. 



pisiformis (Fig. 96), 198. 

 Cystidffl, 458, 459. 



Darwinia, 175. 



Delamination, gastrulation by, 8. 



Dendroccelidffi, 159, 169. 



Dendrocoelum lacteuin, 169, 170. 



Desmacidon, 24. 



Desmophyidae, 71. 



Desor's type of development (Ne- 



mertini), 225. 

 Dicyema, 209. 

 Dicyemella, 209. 

 Dicyemeanea, 209. 

 Dicyemidaa, 206, 209. 



relationships of, 215. 

 Dicyemina, 209. 

 Dicyemopsis, 209. 

 Dinophilus, 215, 313. 



apatris (gyrociliatus), 314. 



giy;as, 314. 



relationships of, 314. 



teeniatus, 314 



vorticoides, 314. 

 Diphyidae, 68, 71. 

 Diphyopsis, 71. 

 Diplozoon, 188, 189. 

 Diptera, sexual cells of, 12. 



Discocelis, 161, 163. 

 Discomedu889, 108, 120. 

 DisconantbaB, 65. 

 Diseonula, 65. 

 Discophora, 102,103. 

 Distomidaa, 178, 180. 

 Diatomum cygnoides, 187. 



cylindraceum, 180. 



hepaticum, 180, 181, 185, 187. 



macrostomum, 185. 



mentulatum, 180. 



ovocaudatum, 185. 



tereticolle, 178. 

 Dochmius duodenalis, 239. 



trigouocephalus, 239. 

 Dracunculus, 243. 



Echinarachnius, 403, 439. 

 Echinaster, larval appendages of, 



422. 

 Echinobotbridae, 199. 

 Echinocardium, cleavage in, 398. 

 Ecbinococcus, 197. 

 Echinocyamus, 440. 

 Echinodermata, 392. 



regeneration and division in, 

 456. 



relationships of, 459, 460. 

 Echinoidea, 398, 424, 438. 

 Echinorhyncbus angustatus, 250, 

 251. 



gigas, 249, 250, 251, 253. 



polymorphus, 252, 255. 



proteus, 250, 251. 

 Echinotharidaa, 458. 

 Echinus, 424. 



microtuberculatus, cleavage 

 in, 398. 

 Echiuridae, 304. 



compared to the Sipunculidae, 

 365. 

 Echiurus, 304, 306. 

 Ectocarp medusae, 124. 

 Ectoderm, 3, 4. 

 Edwardsia, 92. 

 Edwardsidaj, 93. 



Embohc gastrula, see Gastrala, em- 

 bolic. 

 Encbytraeoides, 294. 

 Enteropneusta, 373. 

 Entocarp medusaa, 124. 

 Entoderm, 3, 4. 

 Eosphora, 256. 

 Epenthesis, 49. 

 Ephydatia. 25. 

 Ephyra, 104, 113, 114, 119. 



pedunculata, 118. 



