416 



University of California Publications in Zoology [Vol. 20 



4. The motile forms showed characteristic granular pseudopodia 

 and the cysts were identical in size and morphological characteristics 

 with the cysts fed to the animals (pi. 38, fig. 3). 



TABLE i 

 Results Obtained from Feeding Bats with Cysts op Councilmania LArLEuni, 



EnDOLIMAX NANA, lODAMOEBA BUTSCHLII, AND EnDAMOEBA DTSENTERIAE 



DISCUSSION AND CONCLUSIONS PEOM TABLE 4 



1. Eleven of the twenty-five rats, or 44 per cent, fed with cysts of 

 Councilmania lafleuri became infected. 



2. Ten of the fifteen amoeba-free rats, or 66 per cent, fed with 

 cysts of Councilmania lafleuri became infected. 



3. Two of the twenty-five rats, or 8 per cent, fed with cysts of 

 Endolimax nana and lodamoeba biitschlii became infected. 



