34 MANUAL OF HUMAN PROTOZOA 



2. Enteromonas hominis da Fonseca 1915 



This is a small flagellate of comparatively rare occur- 

 rence. It probably inhabits the lumen of the intestine. 



Trophozoites 



1. Living specimens. A small rounded or ovoid flagellate 

 moves about actively with its three flagella. The body is 



^ 



9 € ^ 9 8 



27 8 9 10 



Fig. 8. 1, 2. Stained trophozoites of enteromonas Jwminis. X 1150 (modi- 

 fied after da Fonseca). 

 3-10. Tricercomonas intestinalis. X 1150 (modified after Wenyon 



and O'Connor). 

 3-6. Living trophozoites. 

 7, 8. Stained trophozoites. 

 9, 10. Stained yomig and mature cysts. 



hyaline, but at times granulated, and contains a few gran- 

 ules. The flagellate is about 4-6 u in diameter. 



2. Stained specimens. The flagellate (Fig. 8, l^ 2) appears 

 more or less spherical. The reticulated cytoplasm contains 

 granules. The rounded nucleus is located close to the 

 anterior end. Its nuclear membrane is moderately thick, 

 and the endosome central and very large. The three flagella 



