536 



MEMOIRS OF THE UNIVERSITY OF CALIFORNIA 



Gynmodinium, 158; organology, 

 159; coloring, 162; distribu- 

 tion, 166; historical discussion, 

 170;' subgenera of, 174; species 

 of uncertain status in, 175; 

 key to species, 176. 

 abbreviatum, 180. 

 achroiiiaticum, 181. 

 aeruginosum, 183. 

 agUe, 184. 

 amphora, 185. 

 crchhnedes, 351. 

 attenuatum, 186. 

 auratum, 187. 

 aureum, 188. 

 bicaudatum, 189. 

 biciliatum, 190. 

 bicome, 191. 

 bifurcatum, 192. 

 bogoriense, 193. 

 canus, 194. 

 carinatum, 195. 

 cinctum, 19'6. 

 eoeruleum, 197. 

 conieum, 198. 

 constrictvm, 362. 

 corpusculum, 200. 

 costatum, 200. 

 crassum, 29.5'. 

 cucumis, 202. 

 diploconus, 203. 

 dissimile, 204. 

 dogieU, 205. 

 doma, 206. 

 filum, 207. 

 ^ssum. 301. 

 flaviiin,'208. 

 fucomm, 305. 

 fulgens, 209. 

 fuscum, 210. 

 fusus, 212, 299. 

 geminatum, 369. 

 gleba, 213. 

 gracile, 214, 297. 



var. exiguum, 216. 

 var. sphaerica, 259. 

 grammaticum, 217. 

 iamulus, 218. 

 helix, 371, 380. 

 helveticum, 219. 

 herbaecum, 220. 

 heterostriatum, 221. 

 hyaUnum, 312. 

 incisum, 223. 

 inerme, 224. 

 lachmanni, 224. 

 lineatum, 225. 

 ILneopunicum, 226. 

 lira, 227. 

 lohmanni, 229. 

 lunula, 229. 

 marinum, 232. 



minimum, 266. 

 mirabile, 234. 

 rufescens, 264. 



rar. rxihescens, 264. 

 monadicum, 234 

 monas, 235. 

 multiUneatum, 235. 

 multistriatum, 236. 

 musei, 237. 

 ovatum, 323. 

 0%'ulum, 238. 

 oivm. 325. 



pachydermatum, 239. 

 palustre, 241, 272. 

 parvuhim, 325'. 

 paradoxum, 242. 

 pirum, 374. 

 polyphemris var. magna, 417. 



var. nigrum, 418. 

 var. roseum. 461. 

 pseudonoetiluca, 243. 

 punctatum, 244. 



var. grammaticum, 217. 

 puniceum, 245. 

 piisiUum, 330. 

 pyroeystis, 246. 

 radiatum, 246. 

 ravenescens, 247. 

 rete, 248. 

 rhomboides, 249. 

 roseolum, 250. 

 roseum, 229. 

 rotimdatum, 251. 

 rubricauda, 251. 

 rubnim, 253. 

 rufescens, 264. 

 scopulosum, 255. 

 simplex, 256. 

 situla, 257. 

 sphaericum, 258. 

 spirale, 334. 

 var. acuta, 285. 

 var. cornutum, 293. 

 var. B.. 301. 

 var. miira, 319. 

 var. obtusa, 320. 

 var. pepo, 326. 

 var. noiilis, 334. 

 var. striatum, 334. 

 strangulatum, 383. 

 sulcatum, 259. 

 tenuissimum, 260. 

 teredo, 391, 394. 

 tintinnicola, 261. 

 translucens, 262. 

 triangularis, 263. 

 uberrimum, 264. 

 varians, 265. 

 vestifici, 266. 

 violescens, 267. 

 viride. 268, 304. 

 viridis, 198. 



vorticelli, 269. 

 wilczeki, 270. 

 zacliariasi, 271. 



Gymnodinium, subgen., 174. 



Gyrodinium, 273; organology, 273; 

 color of cytoplasm, 276; dis- 

 tribution, 278; historical dis- 

 cussion, 279; subgenera of, 

 2S1 ; key to species, 282. 

 acutum. 285. 

 biconicum, 286. 

 britannia, 287. 

 capsulatum, 288. 

 caudatum, 289. 

 concentricum, 290. 

 contortum, 291. 

 coraUinum, 292. 

 cornutum, 293. 

 crassum, 294. 

 culeus, 296. 

 cuneatum, 297. 

 dorsum, 298. 

 faJcatum, 299. 

 fissum, 300. 

 flavescens, 302. 

 flavidum, 303. 

 foliaceum, 304. 

 fuoorum, 305; binary fission in, 



19. 

 fulvum, 306. 

 fuslforme, 307. 

 glaucum, 308. 

 grave, 309. 

 herbaceum, 310. 

 hyalinum. 311. 

 Intortum, 312. 

 lacliryraa. 314. 

 longum, 314. 

 maculatum, 315. 

 melo, 317. 

 mitra, 318. 

 ohtusum, 319'. 

 ochraceum, 321. 

 ovatum, 322. 

 ovoideum, 323. 

 ovum, 324. 

 parvulum, 325. 

 pepo, 326. 

 pingue, 327. 

 postmaculatum, 328. 

 inisillum, 329. 

 rubricaudatum, 330. 

 schuetti, 331. 

 spirale. •''■32. 

 spumantia, 334. 

 submarimim, 335. 

 truncatum, 337. 

 tnmcus, 338. 

 virgatum, 339. 

 vtridescens, 340. 



Gyrodinium, subgen., 282. 



