AMOEBINA 



445 



tion of numerous zygotes which develop into the habitual tropho- 

 zoites. Morphology (Leidy, 1879; Kudo, 1926; Morris, 1936; Meg- 

 litsch, 1940). 



E. thomsoni Lucas. In the colon of cockroaches; 7-30/x in diameter; 

 very adhesive; 1-3 large peripheral granules on the nuclear mem- 

 brane; cysts 8-16ju in diameter, with 1-4 nuclei (Lucas, 1927). 



E. disparata Kirby. In colon of Microtermes hispaniolae ; 20-40^ 

 long; active; xylophagous (Kirby, 1927). 



Fig. 188. Endamoeba blattae. a-c, trophozoites in life, X530; d, a stained 

 binucleate amoeba; e, f, stained and fresh cysts, X700 (Kudo). 



E. majestas K. (Fig. 189, a). In the same habitat; 65-165ju in 

 diameter; many short pseudo podia; cytoplasm rilled with food 

 particles (Kirby, 1927). 



E. simulans K. (Fig. 189, b). In the gut of Microtermes pana- 

 maensis; 50-1 50/z in diameter. 



E. sabulosa K. In the same habitat; small 19-35/z in diameter. 



E. pellucida, E. granosa, E. lutea and E. suggrandis were described 

 from the colon of Cubitermes sp. of Africa (Henderson, 1941). 



