196 



Sir D. Bruce and others. Trypanosoma 



Table XL — Distribution in respect to Length of 500 Individuals of the Trypanosome 

 of Strain VIII, Mekka, from Eat 2300. 





In microns. 



16. 



17. 



18. 



19. 



20. i 21. 



22. 



23. 



24. 



25. 



26. 27. 



28. 



29. 



30. 



31. 32. 



1 



33. 



Totals 

 Percentages 



1 



0-2 





19 

 3 8 



30 

 6 



69 

 13 -8 



89 

 17 -8 



80 

 16 -0 



68 

 13-6 



49 

 9-8 



34 

 6-8 



20 

 4-0 



8 



1-6 



10 

 2-0 



13 

 2-6 



5 



1 -o 



2 

 0-4 



2 

 0-4 



1 

 0-2 



Chaet 3. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 500 Individuals of the Trypanosome of Strain VIII, Mekka, taken on nine consecu- 

 tive days from Rat 2300. 



M i c r o n s. 



13 





he 



17 



6 



19 



20 





23 



24 



25 





2a 



29 



30 



31 [32 [33(3-*! 35 ! 36 



37 



38 

























































































































































































































































































































































































































































































































































































































































































































































































































t 







































































































i 

































































































Table XII. — Percentage of Posterior-nuclear Forms found among the Short 

 and Stumpy Varieties of the Trypanosome of Strain VIII, Mekka. 



Date. 



1913. 



Experiment 

 No. 



Animal. 



Percentage among short 

 and stumpy forms. 



Julv 27 



2300 



„ 28 



2300 



„ 29 



2300 



Aug. 2 



2300 



„ 3 



2300 



„ 7 



2300 



„ 8 



2300 



„ 9 



2300 



„ 11 



2300 



.» • 1* 



2300 



Eat 



24 -2 



