106 Sir D. Bruce and others. Trypanosome 



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

 and Stumpy Varieties of the Three Liwonde Strains. 



Date. 



Experiment No. 



Strain. 



Animal. 



Percentage among short 

 and stumpy forms. 



1913 



2378 



I 



Eat 



15 -8 



1913 



2363 



II 



)j 



21 -2 



1913 



2370 



III 



3! 



22 -4 



Average 



19-8 



Comparison of the Liwonde Strain with the Human, Wild-game, and 

 Wild Glossina morsitans Strains of the Trypanosome causing 

 Disease in Man in Nyasaland. 



Table XIII. — Average Length of the Trypanosome of the Human, Wild- 

 game, Wild Glossina morsitans, and Liwonde Strains. 



Strain. 



Number of 

 trypanosomes 

 measured. 



Animal. 



Average 

 length. 



In microns 



Maximum 

 length. 



Minimum 

 length. 



"Wild- game 



5500 

 2500 

 2500 

 1500 



Eat 



23 -5 

 22 -6 

 22 -6 

 21 -7 



38 -0 

 35 -0 

 35 

 35 -0 



14 -0 



15 -0 

 15-0 

 12 -0 









22-6 



38-0 



12-0 



