56] 



The Classification of Lower Organisms 









Fig. 9. — Ochromonadalea : a, Mallomonas roseola, based on Stein (1878) and 

 Conrad (1926). h, Syracosphaera Quadricornu; c, Calyptosphaera insignis; d, Cal- 

 ciconus vitreus; after Schiller (1925). Silicoflagei.lata: e, f, Colony and zoospore 

 of Epichrysis after Pascher (1925). g, Part of the thallose growth of Hydrurus 

 foetidus. h, Cell, and i, j, statosporos of Chromulina Pascheri after Hofeneder 

 (1913). k, 1, Skeletons of Dictyocha Fibula and Distephanus Speculum from di- 

 atomaceous earth at Lompoc, California, m, Rhizochrysis Scherffeli after Doflein 

 (1916). Mix 1,000. 



