HYPERMASTIGINA 



283 



^T>i 



^;., > ''*M 



Fig. 131. a, b, Hoplonympha natator, X450 (Light); c, Barbula- 

 iiympha ufalula, X210 (Cleveland et al.); d, Urinympha talea, X350 

 (Cleveland et al.); e, Staurojoenina assimilis, X200 (Kirby); f, Idio- 

 nympha perissa, X250 (Cleveland et al.);g, Teratonympha viirabilis, 

 X200 (Dogiel). 



chromosomes; flagellated area 36-4 l^u long; centriole 28-35/i 

 long. 



B. laurabuda C. 180-240// by 135-170^; 40 chromosomes; 

 flagellated area 29-33// long; 24-28/x long. 



Genus Rhynchonympha Cleveland. Elongate; number of flagel- 

 lar rows same throughout; axial filaments somewhat larger and 



