A. C. Coles 
189 
DESCRIPTION OF PLATES X AND XI. 
PHOTOMICROGRAPHS. 
Figs. 1—4 and 6-8. Coiled up T. lewisi, x 1600. 
Fig. 5. Group of four tiny trypanosomes, x 1500. 
Figs. 9-12. Coiled up trypanosomes, Diatom-like, x 1600. 
Fig. 13. Group of four tiny trypanosomes, x 2000. 
Fig. 14. Ordinary and coiled up T. lewisi, x 2000. 
Figs. 15, 16, 17. Cysts of multiplication of T. lewisi, x 2000. 
Figs. 18 and 19. Possibly encysted T. lewisi, x 2000. 
Figs. 20, 21, 22. Pneumocystis Carinii, x 2000. 
Figs. 23-34. Stages in multiplication of T. lewisi, X 1000. 
