PROTOZOOLOGY 



Fig. 120. a, b, Bodo caudatus, X1500 (Sinton); c, B. edax, X1400 

 (Kiihn); d, Pleuromonas jaculans, X650 (Lemmermann); e, Rhin- 

 chomonas nasuta, X1800 (Parisi); f, Proteromonas lacertae, X2500 

 (Kiihn); g, Retortamonas gryllotalpae, X2000 (Wenrich); h, R. blattae, 

 X2000 (Wenrich); i, R. intestinalis, X2000 (Wenrich); j, PhyUomitus 

 undidans, XlOOO (Stein); k, Colj)onema loxodes, X650 (Stein); 1, Cer- 

 comonas longicauda, X2000 (Wenyon); m, C. crassicauda, x2000 

 (Dobell). 



R. gnjllotalpae (G.) (Fig. 120, g). About 7-14/x (average lOyu) 

 long; in intestine of the mole cricket, Gryllotalpa gryllotalpa. 



R. hlattae (Bishop) (Fig. 120, h). About Q-Q/j. long; in colon of 

 cockroaches. 



R. intestinalis (Wenyon et O'Connor) (Fig. 120, i). 6-1 4/^ long; 

 in human intestine. 



Genus PhyUomitus Stein. Oval; highly plastic; cytostome large 

 and conspicuous; 2 unequal flagella, each originates in a basal 

 granule; apparently no blepharoplast; fresh water or coprozoic. 



