1911.] The Morphology of Trypanosoma evansi (Steel). 185 



-Chart 2. — Chart giving Curve representing the Distribution, by percentages, in respect 

 to Length of Trypanosoma evansi. Sudan Camel Disease. 

 Microns 





































































A 

























/ 





\ 



























\ 























L 

































































































{/ 





V 













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■N, 





























The next chart represents the curve of the Indian camel disease, and I am 

 indebted to Mr. J. D. E. Holmes, M.A., D.Sc, Imperial Bacteriologist, 

 Muktesar, India, for the slides from which the curve has been constructed : — 



Chart 3.— Chart giving Curve representing the Distribution, by percentages, in respect 

 to Length of Trypanosoma evansi. Indian Camel Disease. 

 Microns 



19 2Q 21 22 23 24 25 26 27 28 



I" 2 



^ 10 





































































































t 



























\ 













A 





















J- 































































V 

























The similarity of these two curves is very striking, and affords some proof 

 that the camel disease of India and that of the Sudan is caused by the same 

 species of trypanosome. 



