Plate 1 



Figs. 1, 2. Pijramimonas tetrarhijnchus Schmarda, x 750 ( after 

 Smith) 



Fig. 3. Chlamydomonas angulosa Dill, x 750 



Fig, 4. Chlamydomonas Cienkowskii Schmidle, x 750 



Fig. 5. Chlamydomonas Dinobryoni G. M. Smith, x 1000 



( redrawn from Smith ) 



Figs. 6, 7. Chlamydomonas epiphytica G. M. Smith, x 750 

 (redrawn from Smith) 



Figs. 8, 9. Chlamydomonas glohosa Snow, x 1000 (8 after Smith) 



Figs. 10, 11. Chlamydomonas polypyrenoideiim Prescott, x 1000 



Fig. 12. Chlamydomonas pseudopertyi Pascher, x 500 



Figs. 13, 14. Chlamydomonas Snowii Printz, x 1000 (redrawn 

 from Smith ) 



Figs. 15, 16. Chlamydomonas sphagnicola Fritsch & Takeda, x 1000 



Figs. 17-19. Carteria Klebsii (Dang.) Dill, x 1000 (redrawn 

 from Smith 



Fig. 20. Carteria cordiformis ( Carter ) Diesing, x 1000 



( redrawn from Smith ) 



Fig. 21. Gonium pectorale Mueller, x 500 



Fig. 22. Gonium sociale ( Duj. ) Warming, x 750 



Fig. 23. Pandorina morum ( Muell. ) Bory, x 500 



Figs. 24-26. Eudorina elegans Ehrenberg: 24 and 25, x 440; 26, 

 foiTnation of daughter colonies, x 440 



[662] 



