VI. 



THE AMGEBJE OF THE INTESTINAL TRACT. 



THE following amoebae have been described as 

 parasitic within the intestinal tract of man: 



Genus, Entamoeba. 



Entamoeba coli, Loesch, 1875, emend 



Schaudinn, 1903. 



Entamoeba Mstolytica, Schaudinn, 1903. 

 Entamceba tetragena, Viereck, 1907- 

 Entamoeba minuta, Elmassian, 1909. 

 Entamceba nipponica, Koidzumi, 1909. 

 Entamoeba tropicalis, Lesage, 1908. 

 Entamoeba phagocytoides, Gauducheau, 



1908. 

 Entamoeba undulans, Castellani, 1905. 



Genus, Paramoeba. 



Par amoeba hominis, Craig, 1906. 



ENTAM(EBA COLL Loesch, 1875. Emend Schaudinn, 1903. 



Before the publication of Schaudinn's researches 

 observers had noticed the occurrence of amcebse in the 

 intestinal discharges of healthy individuals and those 

 suffering from diseases other than dysentery, and 

 this gave rise to the opinion that these organisms were 



73 



