Plate XLIV; Figures 281 to 291; Magnified iooo 



Diam E 1 ERS. 



Fig. 281. Netrium interrnptum (Breb.) Lut- 



kem page 58 



Fig. 282. Netrium Digitus (Ehrb.) Itz. and 



Roth " 



Fig. 2X3. Pleurotanium nodosum (Bail.) Lund. " 6] 

 Fig. 284. Myxonema nanum (Dillw.) Eiaz. 47 



Fig. 285. Eudorina elegans Ehrb. ... " 41 



Fig. 286. Pandorina morum (Mull.) Bory . 42 



Fig. 2$/. " " Full-grown colony " 



Fig. 288. Spondylomorum quatemarium Ehrb. 41 



Fig. 2^\). Chlamydomonas pidvisculus ( Mull. ) 



Ehrb "42 



Fig. 290. Carteria (Chlamydomonas) nudtiUlis 



( Fresen. ) ( ? ) . . . "43 



Fig. 291. Spirnlina tennissima Kiitz. . . 18 



