280 



PROTOZOOLOGY 



during the motile phase; isogamy reported; fresh water. 



during the motile phase; isogamy reported; fresh water. Sexuality 



(Schulze, 1927); nutrition (Loefer, 1935). 



C. euchlorum E. (Fig. 113, b). 25-70/1 by 4-1 5/x; in stagnant water. 



Genus Phyllomonas Korschikoff. Extremely flattened ; membrane 

 delicate; 2 flagella; chromatophore often faded or indistinct; numer- 

 ous pyrenoids; with or without stigma; many contractile vacuoles; 

 fresh water. 



Fig. 113. a, Coccomonas orbicularis, X500 (Stein); b, Chlorogonium 

 euchlorum, X430 (Jacobsen); c, Phyllomonas phacoides, X200 (Kor- 

 schikoff); d, Sphaenochloris printzi, X600 (Printz); e, Korschikoffia 

 guttula, X1670 (Pascher); f, Fur cilia lobosa, X670 (Stokes); g, Hyalo- 

 gonium klebsi, X470 (Klebs); h, Polytoma uvella, X670 (Dangeard); 

 i, Parapolytoma satura, X1600 (Jameson); j, Trichloris paradoxa, X990 

 (Pascher). 



P. phacoides K. (Fig. 113, c). Leaf -like; rotation movement; up to 

 100/i long; in standing fresh water. 



Genus Sphaenochloris Pascher. Body truncate or concave at flagel- 

 late end in front view; sharply pointed in profile; 2 flagella widely 

 apart; chromatophore large; pyrenoid; stigma; contractile vacuole 

 anterior; fresh water. 



S. printzi P. (Fig. 113, d). Up to 18/x by 9/*. 



Genus Korschikoffia Pascher. Elongate pyriform with an undu- 

 lating outline; anterior end narrow, posterior end more bluntly 

 rounded; plastic; chromatophores in posterior half; stigma absent; 

 contractile vacuole anterior; 2 equally long flagella; nucleus nearly 

 central ; salt water. 



