i 7 8 
F. Cavers 
parasitic on various animals. Reproduction takes place by division 
into two or more daughter cells (spores or zoogonidia) and resting 
cysts are also formed by rejuvenescence of the cell contents. 
However, the life cycle of very few forms has yet been worked out, 
PHAEOPHYCEAE 
Fleurocladia 
Phaeothamnion 
Phaeocystis 
Naegeliella Pyrocysteae 
Phaeococcus and other 
Phaeoplax Phytodiniaceae 
Peridiniaceae 
•is 
with numerous flagella and reticulate chromatophore 
CHLAMl'DOMONADS 
POLYBLEFHARIDS 
CHLOROMONADS 
Autotrophic Mu11 1 c1 11 a- 11 ke 
Mastigamoeboid Ancestors 
Table C. —Suggested Phytogeny of Brown Flagellate and Brown Algal 
Series. For details see Text, 
