398 Sir D. Bruce and others. Trypanosome [Feb. 24, 



Table VI. — Percentages of Posterior-nuclear Forms found anions: the Short 



o o 



and Stumpy Varieties of the Trypanosome of Strain II, Water buck. 



Date. 



Experiment 

 No. 



Animal. 



1 



Percentage among snort 

 and stumpy forms. 



1912. 









Sept. 7 



1220 



Eat 



7 



„ 8 



1220 



>j 



2 



1 „ 12 



1220 



>> 



12 



„ 16 



1220 



)j 



48 



„ 17 



1220 





39 



,, 18 



1220 



» 



45 



„ 19 



1220 





21 



„ 20 



1220 





50 



„ 23 



1220 



si 



36 



„ 24 



1220 



>j 



47 





30 -7 



III. Morphology of Strain III, Oribi. 



The following table gives the average length of this trypanosome as found 

 in the rat, 500 trypanosomes in all, and also the length of the longest and 

 shortest : — 



Table VII. — Measurements of the Length of the Trypanosome of Strain III, 



Oribi. 



Date. 



Method of fixing. 



Method of 

 staining. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1912 



Osmic acid 



Griemsa 



21 -6 33 -0 



16-0 



