3(34 



Index 



Murray (J.), 42. 



Myriopbyllum, 4, 340. 



Myxonema Fries, 19, 67, 84, 85, 86, 89. 



amcenum (Kiitz.) Hazcn, 86. 



terme (Ag.) Rabenh., 86 (fig. 28). 

 Myxophycese, 3, 4, 6, 8, 11, 12, 15, 17, 



19, 32, 246, 306352. 

 Myxophycin, 308. 



Nadson, 311, 317. 

 Nageli, 19, 72, 209, 220, 265. 

 Nannandrium, 61. 

 Nardia emarginata, 4. 

 Navicula Bory, 262, 263 (transv. sect., 

 fig. 124), 264, 266, 267, 291, 

 292 293 

 alpina (ir! 8m.) Ralfg, 293 (fig. 



136 A), 294. 



Amphisbama Bory, 269 (fig. 125 C). 

 crasxiiit'rria Breb., 294. 

 cuspidata Kiitz., 263, 294. 

 exilis Gruii., 294. 

 gallica (W. Sin.) V. H., 294. 

 lata Jlre'b., 294. 

 limosa Kiitz., 269 (fig. 125 A). 

 major Kiitz., 261 (fig. 123 B), 266, 



294. 



nobilis Ehrenb., 263, 266, 294. 

 nobilis var. Dactylus (Ehrenb.) V. 



H., 261 (fig.' 123 A), 

 perpusilla. (?;. , 294. 

 rhoinbdiilen Ehrenb., 294. 

 serians (Brfb.) Kiitz., 293 (fig. 



136 D). 



sphasrophora Kiitz., 293 (fig. 136 C). 

 viridis Kiitz., 263, 266, 269 (fig. 

 125 D), 293 (fig. 136 B), 294, 

 295 (fig. 137 D and E). 

 Naviculaceas, 279, 291 297. 

 Naviculoiderc, 279, 280, 291301. 

 Nemalionaceffl, 35, 36. 

 Nenia (Clausilia), 55. 

 Nephrocytium Niig. , 25, 226, 228. 

 Agardhianurn Nag., 228. 

 ecdysiscepanum W. <& G. S. West, 



228 (fig. 98 B). 



lunatum West, 228 (fig. 98 C E). 

 Nagelii Grun.. 228. 

 obe'sum W. & G. S. West, 228 (fig. 

 98 A). 



Netrium (Nag.) , 144, 148, 149, 156. 



Digitus (Ehrenb.) Itzigsh. < Rothe, 



155 (fig. 54 K), 156. 

 interruptum (Breb.) Liitkem., 156. 

 oblongum (De Bary) Liitkem., 156. 

 Nitzschia //,-., 283, 301, 302. 

 acicularis W. Sin., 302. 

 coramunis Rabenh., 302. 

 constricta (Kiitz.) Pritch., 302 (fig. 

 143 A and B). 



Nitzschia hyalina Provasck, 264. 



leucosigma Benecke, 264. 



linearis (Ag.) W. Sm., 302. 



Palea (Kiitz.) W. Sm., 264, 302. 



putrida Benecke, 264. 



sigmoidea (Ehrenb.) W. Sm., 300, 

 302 (fig. 143 C and D). 



sinuata (W. Sm.) Grun., 302. 



Teema W. Sm., 279. 

 Nitzschiaceas, 301 303. 

 Nitzschiella Eabenh., 302. 

 Nitzschiodese, 280, 301303. 

 Nodularia Mertens, 326, 328. 



sphaerocarpa Born. & Flah., 328 

 (fig. 150 H), 329. 



spumigenia Mertens, 329. 

 Nordhausen, 104. 

 Nordstedt, 1, 28, 124, 143, 159, 182, 



222. 



Nordstedt ia Borzi, 182. 

 Nostoc Vauch., 4, 308 S 311, 313, 314, 

 325, 326, 327. 



cceruleum Lyngbye, 326 (fig. 149 C), 

 327. 



commune Vauch., 313, 327. 



humifusum Carm., 327. 



Linckia Borzi, 326 (fig. 149 A and 

 B). 



macrosporum Menegh. , 327. 



microscopicurn Carm., 313. 



muscoruin Ag., 327. 



piscinale Kiitz., 327. 



punctiforme, 311. 



sphasricum Vuuch., 327. 



verrucosum Vauch., 327. 

 Nostocaceje, 312, 313, 318, 319, 322, 



324329. 

 Notommata parasitica, 196. 



Werneckii, 113. 

 Nuphar, 4. 

 Nymphaoa, 4. 



Occurrence of Freshwater Algaa, 3 7. 

 Odontidium Kiitz., 285. 

 (Edogoniacese, 7, 14, 17, 27, 30, 52, 



5765. 

 (Edogoniales, 16, 30, 32, 33, 50, 55, 



5765. 



(Edogonium Link, 12, 15, 17, 52, 54, 

 55, 5759, 63, 65, 72, 256, 

 343. 



acrosporum De Bary, 65. 

 Ahlstrandii Wittr., 60 (tig. 12 D). 

 Borisianum (Le Cl.) Wittr., 65. 

 Boscii (Le Cl.) Wittr., 59 (tig. 



11 A), 

 ciliatum (Hass.) Pringsh., 62 (tig. 



14 C). 



cyathigerum Wittr., 62 (fig. 14 B). 

 giganteum Kiitz., 64. 





