460 



PROTOZOOLOGY 



Fig. 212. a, Ceratotnyxa mesospora, XlOOO (Davis); b, c, C. hopkinsi, 

 XlOOO (Jameson); d-j, Leptotheca ohlmacheri (d, section of a urinifer- 

 ous tubule of Rana pipiens, with trophozoites and spores, X800; e, a 

 trophozoite with a bud; f-h, disporous trophozoites; i, a spore with 

 extruded polar filaments; j, surface view of spore, X1500) (Kudo). 



