358 



Index 



Cosmocladium pulchellum Breb., 173 

 (fig. 66 B), 174. 



saxonicum De Bart/, 174. 

 Cox, 265. 



Craterospermum Braun, 121. 

 Craticular state (of Diatoms), 270. 

 Crucigenia Morr/'ii, 215, 216, 217. 



irregularis Wille, 217. 



quadrata Morren, 216 (fig. 90 D 

 and E). 



rectangularis (Nfiq.) Gay, 216 (fig. 

 90 A C), 217. 



Tetrapedia (Kirchn.) W. cO G. S. 

 West, 216 (fig. 90 F). 



triangularis Chodat, 216. 

 Crucigenieee, 212, 215 217. 

 Crustacea, 7, 145, 219, 270. 

 Cryoplankton, 5. 

 Cryptoglena Ehrenb., 32. 

 Cryptonionadinacea?, 45. 

 Cryptomonas Ehrenb., 45. 

 Cryptonemiaceas, 35, 43. 

 Cthonoblastus Kiitz. , 332. 

 Cultivation of Algte, 9. 

 Cyanophycece, 3, 306 352. 

 Cyanophycin, 311. 

 Cyanoplast, 308, 309. 

 Cycas, 325. 

 Cyclops, 219. 

 Cyclotella Kiitz., 276. 



comta (Ehrenb.) Kiitz., 276. 



Kiitziugiana Chauvin, 276. 



Meneghiniana Kiitz., 276. 



operculata Kiitz., 276, 277 (fig. 127 



B and C). 

 Cylindrocapsa Eeinsch, 54, 81, 82. 



conferta West, 82 (fig. 26 E and 

 F), 83. 



geminella Wolle\&r. minor Hansq., 

 83. 



involuta Heinscli, 82 (fig. 26 A D), 

 83. 



nuda Reinsnh, 83. 

 Cylindrocapsaceae, 30, 66, 81 83. 

 Cylindrocystis Menegh., 143, 144, 148, 

 149, 152, 155, 159. 



Brebissonii Menegh., 155 (fig. 54 

 H and I), 156. 



crassa De Bnry, 156. 



diplospora Lund., 142, 155 (fig. 

 54 J), 156. 



diplospora var. major West, 156. 

 Cylindrospermum Kiitz., 325, 326, 329. 



catenatum Ralfs, 329. 



iiKirritspeniittiit. Babenh., 329. 



majus Kiitz., 321*. 



stagnate (Kiit:.) Jlont. <(' Flak., 328 



(fig. 150 E G), 329. 

 Cylindrotheca Itabcnli., 278. 



gracilis (Breb.) Grun., 279. 



Cystocarp, 16, 35. 

 Cystococciis Nag., 202. 

 Cysts, 14, 102, 111, 121. 



Dactylococcopsis Hansr/., 346, 347. 



montana W. < G. S. West, 348 



(fig. 162 A), 



rhaphidioicles Hansr/., 348. 

 Dactylococcus Nag., 218, 223, 348. 



bicaudatus A. Br., 219 (fig. 91 A), 



223. 



bicaudatus var. subramosus W. & 

 G. S. H>Nf,219(tig. 91 B and C). 

 Debaryanus Beinsch, 219. 

 dispar W. < G. S. West, 219 (fig. 



91 D). 



infusionum Niig., 219, 220. 

 Dactylothece Layer h., 30, 33, 246. 



Braunii Lagerh., 206, 246 (fig. 114). 

 Dangeard, 51, 193, 214, 310. 

 Dasygloea I'hwaites, 330, 332. 



amorpha Thwaites, 331 (fig. 151 C), 



332. 



De Bary, 142. 

 Dabarya Wittr., 123, 124, 127. 



calospora (Palla) W. db G. S. West, 



53, 128 (fig. 46 B). 

 Desmidioides W. <f- G. S. West, 128 



(fig. 46 F I), 129, 143, 144. 

 glyptosperma (De Bary) Wittr., 128 



(fig. 46 A), 

 lams (Kiitz.) W. & G. S. West, 



128 (fig. 46 C E). 

 Deiniga, 308. 

 Denticula Kiitz., 283, 285. 

 elegans Kiitz., 283. 

 tennis Kiitz., 283, 284 (fig. 130 



C and D). 



Derbes & Solier, 257. 

 Desmagonium Ehrenb., 288. 

 Desmidiaceaa, 5, 6, 8, 11, 14, 16, 27, 28, 

 30, 33, 50, 5254, 114116, 

 129, 135178, 266, 309. 

 Desrnidiea3, 148. 



Desmidium Ag., 143, 144, lol, 177. 

 aptogonum Brei., 177 (fig. 69 D). 

 cylindricum Grev., 140, 143, 177 



(fig. 69 C), 178. 



graciliceps (Nordst.) Lagerh., 178. 

 quadratum Nordst.. 177 (fig. 69 B), 



178. 



Swartzii Ag., Ill (fig. 69 A), 178. 

 Desmonema Berk. < Thicaites, 322, 324. 

 Wrangelii (Ag.) Born. ( Flah.,324. 

 De Toui, 72. 

 Diadesmis Kiitz., 292. 

 Diatoma D. C., 284. 



elongatum A,/., 285 (fig. 131 A D). 

 hiemale (Lyngb.) Heib., 285 '(fig. 

 131 E F). ' 



