662 INTESTINAL PROTOZOA AND HOST-PARASITE RELATIONS 



6b 



INTESTINAL FLAGELLATES 



Fig. 6a. — Chilomaslix mesnili, trophozoite 



Fig. 6b. — Cyst of same Fig. 8o. — Giardia lamblia, trophozoite 



Fig. 7. — Pentatrichomonas, trophozoite FiG. 86. — Cyst of same 



Figs. 6a, 6b, and 7 were drawn by Mr. Herbert Ratcliffe; Figs. ?>a and ?>b drawn by the author. 

 All magnified 2,000 diameters. 



