PLATE III 



8 



10 



INTESTINAL AMOEBAE, BLASTOCYSTIS, YEAST AND MOLD 



Entamoeba histolytica. (1) Motile vegetative stage. (2) Quad- 

 rinucleate cyst with chromatoidal rod. 



Entamoeba coli. (3) Motile, vegetative stage. (4) Cyst with 

 eight nuclei. 



Endolimax nana. (5) Living motile, vegetative stage. (6) 

 Cyst with four nuclei. (7) Ellipsoidal cyst with four nuclei. (8) 

 Blastocystis hominis, small stage. (9) Budding yeast. (10) Intes- 

 tinal mold. Figs. 6, 8, 9, 10 are magnified 2800 diameters (from 

 Kofoid, Kornhauser, and Swezy in Archives of Internal Medicine. 

 Figures 1, 2, 3, 4, 7 (from Dobell) are magnified, 1 X 1000, 2 X 2500, 

 3 X 1800, 4 X 2500, 7 X 2500. 



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