191 3.] causing Disease in Man in Nyasaland. 



295 



Chart 9. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 1000 Individuals of the Trypanosome of Strain II, Chipochola. 





Mi c r O n s 



13 



14- 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



2S 



26 



27 





29 



30 



31 



3Z 



33 



34| J5 



•36 



»37 



3d 



IE 

 II 

 10 

 <0 8 



a 7 

 -p 



C 6 



QJ 4 



a. 



3 



2 

 1 







































































































































































































































































































































































































































































































































































































































































































This curve is made up of 80 specimens of trypanosomes taken from the 

 goat, 160 froirj the monkey, 260 from the dog, and 500 from the rat. 



Chart 10. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 500 Individuals of the Trypanosome of Strain IV, Chipochola, taken on nine consecu- 

 tive days from Eat 1337. 



is 



14 

 13 

 12 



CO „ 



<u 



jO/jIO 

 * 9 



h s 

 as 



U 7 

 6 



QJ 



CL 5 

 A 

 3 

 2 



Microns 



13 



14 



IS 



16 



17 



I8|I9 



20 



21 



22 



23 



24 



25 



26 



27 



2S 



29 



•30 



31 



3Z 



3 3 



34 



3S 



36 





38 









































































































































































































































































































































































1 





















































1 



















































































































































































































































































































































































1 

















































