194 Sir D. Bruce and others. Trypanosome 



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



Strain VII, Yoramu, from Eat 2236. 





In microns. 



16. 



17. 



18. 19. 



20. 



21. 22. 



23. 



24. 



25. 



26. 



i 



27.! 28. 



29. 



30. 



31. 



32. 



33. 



34. 



Totals 



3 

 6 



9 

 1 -8 



40 

 8 



84 

 16 -8 



67 

 13 -4 



38 47 

 7"6 j 9 4 



1 



27 

 5-4 



28 



5^-6 



31 

 6 2 



33 

 6 6 



37 

 7-4 



21 



4-2 



13 

 2 6 



13 

 2-6 



5 



1 -o 



2 

 -4 



1 

 0-2 



1 

 0-2 



Percentages . . . 



Chart 2. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 500 Individuals of the Trypanosome of Strain VII, Yoramu, taken on nine consecu- 

 tive days from Rat 2236. 



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

 and Stumpy Varieties of the Trypanosome of Strain VII, Yoramu. 



Date. 



1913. 



Experiment 

 No. 



Animal. 



June 



30 



2236 



July 



1 



2236 





2 



2236 





3 



2236 





4 



2236 





5 



2236 





7 



2236 





8 



2236 





9 



2236 





10 



2236 



Rat 



Average 



Percentage among short 

 and stumpy forms. 





 1 

 15 

 

 2 

 

 10 

 36 

 34 

 36 



13 -4 



