PLATE II. 



Cysts of various human intestinal Protozoa, as seen in iodine solution (x 2000). 

 1-4. Entamoeba coli. 17-22. Endolimax nana. 



5-10. Entamceha histolytica. 23. Giardia intestinalis . 



1 1- 1 6. lodamaeba butschlii. 24. Chilomastix mesnili. 



(Original.) [To face p. 350. 



