Indi 



Crisia. 229; biserial type, 230; 

 oecial Lnternode, 230; key 

 to species, 232; uniserial 

 t\ pe, 230. 



a, nuil.i. 235, 236, 237. 

 var. A. geniculate,, 235. 

 var. B. geniculata, 235. 

 elmrnea, 239. 



edwardsiana, 232, 236, 237. 

 franciscana, 232, 233. 

 geniculata. 232. 235, 236, 237. 

 g, niculata, 235. 

 maxima, 232, 243. 

 occidentalis, 233. 

 occidentalis, 232. 239. 



dioecious, 240. 

 cperculata, 232. 240. 

 paciflca. 232. 242. 

 pugeti. 232, 244. 

 Crisidia gracilis, 237. 

 Crteidia gracilis, 235. 

 Crisiidae, 229. 

 Crisulipora, 246. 254. 



occidentalis, 254; embryos, 255. 

 Crithidia, 136. 



Culture of Trypanosomes, 130. 

 Currents of Californian ami Mexi- 

 can coasts. 201. 

 Cuticula, of Gyrocotyle, 385; ecto- 



dermal origin of. 419. 

 Cyclostomata, 225. 

 Cyclostomatous Bryozoa, bibliog- 

 raphy of, 265. 

 Cyclostomatous Bryozoa of the 

 West i 'oast of North Amr- 

 ica, 225; list of species 

 treat. -.I. 228. 

 ( lyprina islandiea, 364. 

 < lyprinidae, 360. 

 < Jysticercoids, 418. 

 • vsts. formed by Trypanosomes, 



132. 

 Cytomorphosis, 87. 

 Damas, D„ cited, 74. 79. 97. 

 Dean, Bashford, cited. 69. 

 Delage, Yves, cited, 73, 97. 

 Density, of ascidian habitat, 91; 

 of San Diego Bay water, 



2112; of water, c litions 



of, 193. 

 Density determinations, of ocean 

 and bay waters, 190; local- 

 ities of. 190, 196; method 

 of making, 190, 192; norm- 

 al relation to depth, 198; 

 variations from, 19S. 

 Developing Eggs, On the Weight 

 of, 1 ; method of weigh- 



Development of Sal pa Chain, 



bibliography of. 176. 

 Development, organic, mathemat- 

 ical treatment of. 87. 

 Diastopora meandrina, 251. 

 Diesing. ( '. M., cited, 356, 357, 



358, 361, 370, 422. 

 Dinophysis, 17s, 184. 

 Vinophysis armata, 183, 185. 

 tinh n. 185. 

 jourdani, 183, 185. 

 uracantha, 184. 

 Directive markings, 285; outside 

 the order Passeriformes, 

 309. 

 Discoport lln. 200. 

 Discoporella californica, 261. 

 radiata, 262. 

 Vi nut-mitt, 263. 

 Discoport llitlitt , 260. 

 Disseta maxima, 314. 330. 

 sp. (YVolfenden). 314, 331. 

 palumboi, 331. 

 Ditaxia, 251. 



Dittmer, W., method of comput- 

 ing chlorine. 193. 

 Doctor's dissertation, 353. note. 

 I luminance, 82. 

 Donax laevigata. 22. 

 Dorsal languets. 79. 

 Eggs, loss of weight in develop 

 ment of, 2; of Gyrocotyle, 

 380, 406; formation of, 406. 

 Ekman, V. W., cited, 199, 204. 

 Embryo, of Crisulipora occiden- 

 talis sp. nov., 255; of Cy- 

 clostomata. 227. 

 Energy, potential, in egg, 3; 

 principle of conservation 

 of, 3. 

 Entalophora, 246, 256. 

 capitata. 257. 

 capitata, 258. 

 raripora, 256. 

 santonensis, 256. 

 Environment. 89, 90, 92; adapta- 

 tion of Halocynthia john- 

 soni to, 96; and organ- 

 isms, 94. 

 Equisetum robustum, 171, 175; 



measurements of, 171. 

 Esterly, C. O.. 313. 

 Euchaeta acuta, 324. 

 Euchaeta acuta var. paciflca, 314, 

 324. 

 diegensis, 314, 323. 

 hessei, 321. 

 solida, 314, 324. 

 Euchilota, 22, 24. 



[471] 



