Index 



365 



(Edogonium Hirnii Gutw., 59 (fig. 11 B). 

 Itzigsohnii De Bary var. minor 



West, 60 (fig. 12 C), 65. 

 lautumniarum Wittr., 61 (fig. 13 C 



and D), 65. 



obsoletum Wittr., 60 (fig. 12 A), 

 platygynum Wittr., 65. 

 punctato-striatum De Bary, 65. 

 rufescens Wittr., 61 (fig. 13 A and 



B). 



tapeinosporum Wittr. , 64. 

 undulatum (Breb.) A. Br., 62 (fig. 



14 A), 64. 

 zig-zag Cleve var. robustum W. & 



G. S. West, 60 (fig. 12 B). 

 Oligochaetes, 7, 145. 

 Onderdonk, 265. 



Onychonema Wall., 143, 144, 151, 175. 

 fLliformis(Ehrenb.)Roy(&Biss., 175. 

 Nordstedtiana Turn., 175 (fig. 7 



G and H). 



Ooblastema filaments, 35. 

 Oocardium Nag., 144, 151, 174. 



' stratum Nag., 173 (fig.66D F),174. 

 Oocystidese, 213, 226230. 

 Oocystis Nag., 25, 226, 227, 228. 



asymmetrica W. <& G. S. West, 227. 

 crassa Wittr., 227 (fig. 97 C and D). 

 elliptica West, 227 (fig. 97 G). 

 gigas Arch., 227. 

 panduriformis W. & G. S. West, 



227 (fig. 97 E and F). 

 parva W. <& G. S. West, 227. 

 solitaria Wittr., 227 (fig.97 AandB). 

 Oodesmus Schmidle, 252. 



Doederleinii Schmidle, 252. 

 Oogamous heterogamy, 16. 

 Oogonium, 16, 17. 

 Open nucleus (of Myxophycese), 310. 

 Ophiocytium Nag., 28, 253, 254, 256. 

 Arbuscula (A. Br.) Rabenh., 255 



(fig. 120 J). 



bicuspidatum (Borge) Lemm., 255. 

 bicuspidatum forma longispina 

 Lemm., 255 (fig. 120 H and I), 

 capitatum Wolle, 255. 

 cochleare (Eichw.) A. Br., 255 (fig. 



120 B G). 

 graciliceps (A. Br.) Rabenh., 255 



(fig. 120 K). 



majus Nag., 255 (fig. 120 A). 

 parvulum (Perty) A. Br., 255. 

 Ophrydium, 4, 230. 

 Orthoneis Grun., 290. 

 Orthosira Thwaites, 275. 

 Oscillaria Bosc, 335. 

 Oscillatoria Vauch., 89,314 (movements), 

 315, 329, 330, 332,333, 335, 336. 

 acuminata Gom., 336 (fig. 154 E). 

 angustissima W. & G. S. West, 336. 



Oscillatoria decolorata G. S. West, 336. 

 irrigua Kiitz., 336 (fig. 154 B). 

 limosa Ag., 336 (fig. 154 A), 

 princeps Vauch., 336. 

 splendida Grev. var. attenuata W. 

 t& G. S. West, 336 (fig. 154 D). 

 tenuis Ag., 336 (fig. 154 C). 

 Oscillatoriaceae, 199, 266, 312, 314 

 (movements), 315, 318, 319, 

 329336. 

 Osterhaut, 35. 

 Ott, 272. 

 Ouracoccus Hass., 206. 



Palla, 129, 309. 



Palmella Lyngb., 19, 24, 30, 240, 243, 244. 



hyalina Breb., 240. 



miniata LeibL, 240. 



mucosa Kiitz., 240. 

 Palmellaceffi, 5, 19, 22, 24, 25, 26, 30, 



180, 212, 239247. 

 Palmellea;, 240 242. 

 Palmellococcus Chodat, 226, 229. 



miniatus (Nag.) Chodat, 230 (fig. 



100). 



Palmer & Keeley, 261. 

 Palmodactylon Nag., 240. 



subramosum Nag., 241. 



varium Nag., 241 (fig. 108). 

 Palmodictyon Kiitz., 246. 



viride Kiitz., 247 (fig. 115). 

 Pandorina Bory, 16, 23, 30, 192. 



morum (Milll.) Bory, 193 (fig. 76 



A H), 194. 

 Paramecium, 4, 230. 

 Parthenogonidia, 190. 

 Pectose, 51." 



Pediastreae, 25, 50, 197. 207, 209212. 

 Pediastrum Meyen, 20, 25, 30, 206, 207, 

 209, 212. 



Boryanum (Turp.) Menegh., 210 

 (fig. 85 F H; J L), 211, 220. 



clathratnm Lemm., 211. 



duplex Meyen, 210 (fig. 85 E), 211. 



glanduliferum Benn., 210 (fig. 85 I). 



integrum (Nag.), 210 (fig. 85 A), 211. 



pertmum Kiitz., 211. 



simplex Meyen, 211. 



tetras (Ehrenb.) Ralfs, 209, 210 (fig. 

 85 C and D), 211. 



tricornutum Borge, 210 (fig. 85 B). 

 Pedras negras (of Angola), 306. 

 Pellitan, 272. 



Peniese, 144, 149, 150, 157. 

 Penium, Breb., 137, 138, 140, 144, 

 148150, 157, 159, 160. 



cucurbitinum Biss., 139 (fig. 51 D). 



curtum Breb., 158 (fig. 55 F). 



Cylindrus (Ehrenb.) Breb., 157, 158 

 (fig. 55 A and B). 



