390 



PROTOZOOLOGY 



T. compressa K. (Fig. 168, i). 24-33/x by 10-16/*; flagella of differ- 

 ent lengths; standing water (King, 1936). 



Genus Urophagus Klebs. Somewhat similar to Hexamita; but 

 a single cytostome; 2 moveable posterior processes; ho lo zoic; stag- 

 nant water. 



U. rostratus (Stein) (Fig. 168, j). Spindle-form; 16-25/* by 6-12/*. 



Suborder 3 Polymonadina 



The polymonads are multinucleate. Each nucleus is associated 

 with a blepharoplast (from which a flagellum extends), a parabasal 



Fig. 170. a, Calonympha grassii, X900 (Janicki); b, Stephanonympha 

 nelumbium, X400 (Kirby); c, Coronympha clevelandi, X1000 (Kirby); 

 d, Metacoronympha senta, X485 (Kirby); e, Snyderella tabogae, X350 

 (Kirby). 



