Index 



305 



(Edogoniuui Hirnii Gittic., 59 (fig. 11 B). 

 Itzigsobnii DC Hnri/ var. minor 



W,:<t, 60 (fig. 12 C), 05. 

 lautumniarum Wittr., 61 (fig. 13 C 



and D), 65. 



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

 platygynum Wittr., 65. 

 punctato-striatum DC Banj, 65. 

 rufescens I1 7 (/-., 61 (fig. 13 A and 



B). 



tapeinosporum Wittr., 04. 

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



14 A), 64. 

 zig-zag Cleve var. robustum W. & 



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

 OligochtTtes, 7, 145. 

 Onderdonk, 265. 



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

 filiformis (Ehrenb.)Eoy & Biss., 175. 

 Nordstedtiaua Turn., 175 (fig. 67 



G and H). 



Ooblastema filaments, 35. 

 Oocardium JVcV//., 144, 151, 174. 



stratum Xiig., 173 (fig. 66 D F), 174. 

 Oocystideas, 213, 226 230. 

 Oocystis Niig., 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. d G. S. West, 227. 

 solitaria Wittr., 227 (fig. 97 A and B). 

 Oodesmus Schmidle, 252. 



Doedeiieinii Schmidle, 252. 

 Oogamous heterogamy, 16. 

 Oogonium, 16, 17. 



Open nucleus (of Myxophyceas), 310. 

 Ophiocytiuir. Niig., 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.) Babenh., 255 



(fig. 120 K). 



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

 parvuluru (Pert;/) A. Br., 255. 

 Ophrydium, 4, 230. 

 Orthoneis Grun., 290. 

 Orthosira Thwaites, 275. 

 Oscillaria Bosc, 335. 

 Oscillatoria ranch., 89,314 (movements), 

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

 acuminata Gotu., 336 (tig. 154 E). 

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



Oscillatoria decolorata G. 8. West, 336. 

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

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

 princeps Vauch., 336. 

 splendida Grev. var. attenuata W. 

 & G. S. West, 336 (tig. 154 D). 

 tennis Ag., 336 (tig. 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. 



miuiata Leibl., 240. 



mucosa Kiitz., 240. 

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



180, 212, 239247. 

 Palmellea:, 240 242. 

 Palmellococcus Chodat, 226, 229. 



miniatus (Niig.) Chodat, 230 (fig. 



100). 



Palmer & Keeley, 261. 

 Palmodactylou Nag., 240. 



subramosum N;ig., 241. 



varium A7/V/.. 241 (fig. 108). 

 Palmodictyon Kiitz., 246. 



vifide Kiitz., 247 (fig. 115). 

 Pandorina liory, 16, 23, 30, 192. 



morum (Mull.) Bory, 193 (tig. 76 



A H), 194. 

 Paramecium, 4, 230. 

 Partheuogonidia, 190. 

 Pectose, 51. 



Pediastreaj, 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. 



clathratiim Lemm., 211. 



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



glauduliferum Beiin., 210 (fig. 85 I). 



integrum (Nil;/.), 210 (fig. 85 A), 211. 



pertiisum Kiitz., 211. 



simplex Meyen, 211. 



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

 85 C and D), 211. 



tricornutum Borge, 210 (fig. 85 B). 

 Pedras uegras (of Angola), 306. 

 Pellitan, 272. 



Peniejp, 144, 149, 150, 157. 

 Penium, Br,'b., 137, 138, 140, 144, 

 148150, 157, 159, 160. 



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



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



Cylindrus (Elirenb.) Breb., 157, 158 

 (tig. 55 A and B). 



