218 HANDBOOK OF PROTOZOOLOGY 



In guinea-pigs 

 Entamoeba cohaye Walker { = E. caviae Chatton). Similar to 

 E. coli. 



In rats apd mice 

 Entamoeba muris (Grassi). The amoeba also resembles E. 

 coli. 



An Entamoeba resembling E. histolytica has been recognized 

 o"ften and is probably identical with the latter. 



D. Entamoebae of birds 



Entamoeba lagopodis Fantham. Tetranucleate cysts were 

 found in the intestine of the grouse, Lagopus scoticus. 



Entamoeba anatis Fantham, An amoeba with mono- or 

 tetra-nucleate cysts were found in the intestine of a duck. 



Entamoeba gallinarum Tyzzer. This amoeba occurs in the 

 intestine of fowls. Cysts octonucleate. 



Fig. 86 Entamoeba testudinis from the large intestine of Terrapene 

 Carolina. X665. a, b, living; c, stained trophozoites. 



E. Entamoebae of reptiles 



Entamoeba testudinis Hartmann (Fig. 86). In the intestine 

 of turtles, Testudo graeca, T. argentina and T. calcarata; and 

 also in Terrapene Carolina. 



Entamoeba barreti Taliaferro and Holmes. In the large in- 

 testine of the snapping turtle, Chelydra serpentina. It shows a 

 close resemblance to the last species. 



Entamoeba serpentis da Cunha and da Fonseca. In th6 iifi- 

 testine of the snake, Drimobius bifossatus of South Anjericam ) 



F. Entamoebae of amphibians 



Entamoeba ranarum (Grassi) (Fig. 87, a, b). In the large in- 

 testine of various species of frogs. It sQl^^A^hat^AJPe^^TOfcllg? ^• 

 histolytica. Its size varies 10 to 50 tJlii^^WP f^l?:J 4i?(5ge|(?rj\o^l5|; 



A 



