PLATE II 



B 



\ ' - 



PLATE II 

 BLOOD INHABITING PROTOZOA OF MAN 



A. 1 to 4. Plnsmodium vivax. 



B. 1 to 4. P. malariae. 



C. 1 to 4. P. falciparum. (1) Young trophozoite. (2) Older 

 trophozoite. (3) Presegmentation stage. (4) Gametocyte. 



D. 1 to 3. Trypanosoma gambiense. (1) Long form. (2) Inter- 

 mediate form. (3) Short form. (After Castellani and Chalmers.) 



E. Trypanosoma cruzi. (After Brumpt.) 



F. 1. Leishmania donovani. (After Brumpt.) 

 F. 2. L. tropica. (After Row.) 



Figures D, E and F are magnified 1400 diameters. 



14 



