INDEX OF GENERA OP MICROSCOPIC ALG^ 

 TREATED IN THIS VOLUME. 



Achnanthes, 407. 



Achnanthidiura, 407. 



Actiniscus, 487. 



Actinocyclus, 477. 



Actinoptyclius, 478. 



Amphipentas, 481. 



Amphipleura, 421. 



Amphiprora, 422. 



Amphitetras, 480. 



Amphora, 423. 



Anabaina, 146. 



Aphaiiochaete, 184, 209, 230, 233, 



250. 

 Apiocystis, 133, 209. 

 Arthrosiphon, 178. 

 Ascidium, 125, 127, 185, 186, 200, 



209, 267, 286. 



Bacillaria, 399. 

 Bambusina, 291, 295. 

 Batrachospermum, 150, 151, 

 Berkeleya, 426. 

 Biddulphia, 484, 512. 

 Botrydium, 128, 193, 220, 274. 

 Botryocystis, 159, 209, 559. 

 Bryopsis, 129, 140, 166, 268. 

 Bulboohaete, 141, 151, 156, 157, 183, 

 201, 209, 303. 



Campylodiscus, 394. 

 Caulerpa, 129, 174. 

 Ceratoneis, 421. 

 Oliffitomorpha, 185, 186, 268 

 Chsetophora, 139, 151, 156, 183, 



208, 224, 231, 253. 

 Chaatransia, 143, 151, 183, 231. 

 Characium, 125, 185, 209, 229,230, 



250. 

 Chlamidococcus, 138, 158, 174, 184, 



196, 205, 211, 216, 224, 229, 238, 



250, 258, 498, 518. 

 Chlamidomonas, 214, 215, 216. 



Chlorococcum, 213, 260, 508. 

 ChroocoocaceBB, 131, 174, 190, 197. 

 Chroococous, 131, 182, 230. 

 Cladophora, 150, 174, 185, 199, 



220, 235, 236, 239, 240, 253, 



268. 

 CHmacosphenia, 465, 512. 

 Closterium, 133, 140, 175, 204, 281, 



289, 291, 292, 259, 497. 

 Cocconeis, 405. 

 Cocconema, 286, 410. 

 Coleochsete, 141, 151, 183, 208, 253, 



270, 298. 

 Conferva, 184, 205, 209. 

 Cosoinodiscus, 476. 

 Cosmarium T. Euastrum. 

 Cyclotella, 385. 

 Cylindrocystis, 287. 

 CylindrGspermuin, 146. 

 Cymatonema, 141. 

 Cymbella, 409. 

 Cymbosira, 408. 

 Cystoeoccus, 125, 185. 

 Cystoseira, 248. 



Denticula, 379. 



Desmidium, 294. 



Desmidiaoese, 133, 139, 174, 203, 



247, 283, 290, 497. 

 Diadesmis, 424. 

 Diatoma, 382. 

 Diatomacese, 132, 139, 190, 247, 



283, 345. 

 Dictyocha, 488. 



Diotyosphffirium, 132, 209, 238. 

 Didymoprium, 291, 295. 

 Docidium, 180, 291. 

 Doryphora, 406. 

 Drapamaldia, 139, 151, 156, 183, 



208, 224, 231. 

 Dysphinotium, 203. 



