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



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

 and Stumpy Varieties of the Trypanosome of Strain II, Wild Glossina 

 morsitans. 



Date. 



Experiment 

 No. 



Animal. 



Percentage among short 

 and stumpy forms. 



1912 









June 17 



656 



Kat 



8 



„ 18 



656 



? ' 



12 



„ 19 



656 





13 



„ 20 



656 





22 



„ 21 



656 



)3 



43 



„ 22 



656 





44 



„ 24 



656 



>> 



27 



„ 25 



656 





28 



„ 26 



656 





45 



„ 27 



656 



>> 



47 





28 -9 



III. Morphology of Strain III, Wild Glossina morsitans. 

 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, 



Wild Glossina morsitans. 



Date. 



Method of fixing. 



Method of 

 staining. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1912 



Osmic acid 



Giemsa 20 '5 



31 -0 



16 -0 



