102 Sir D. Bruce and others. Trypanosorne 



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

 and Stumpy Varieties of the Trypanosorne of the Liwonde Strain II. 



Date. 



Experiment 

 No. 



Animal. 



1913. 

 Aug. 18.. 

 19.. 

 20.. 

 21.. 

 22.. 

 23.. 

 24.. 

 25.. 

 26.. 

 27.. 



2363 

 2363 

 2363 

 2363 

 2363 

 2383 

 2363 

 2363 

 2363 

 2363 



Eat 



Average. 



Percentage among short 

 and stumpy forms. 



25 

 13 

 14 

 16 

 12 

 23 

 35 

 37 

 14 

 23 



21 -2 



Morphology of the Liwonde Strain III. 

 Length. — The following table gives the length of this trypanosorne as found 

 in the white rat — 500 trypanosomes in all : — 



Table VII. — Measurements of the Length of the Trypanosorne of the Liwonde 



Strain III. 



Date. 



No. 

 of 

 expt. 



Animal. 



Method of 

 fixing. 



Method of 

 staining. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1913. 



Aug. 18... 



2370 



„ 18... 



2370 



„ 18... 



2370 



„ 19... 



2370 



„ 19... 



2370 



„ 19... 



2370 



„ 20... 



2370 



„ 20... 



2370 



„ 20... 



2370 



„ 21... 



2370 



„ 21... 



2370 



„ 21... 



2370 



„ 22... 



2370 



„ 22... 



2370 



„ 22... 



2370 



„ 23... 



2370 



„ 23... 



2370 



„ 23... 



2370 



„ 24... 



2370 



„ 24... 



2370 



„ 24... 



2370 



„ 25... 



2370 



„ 25... 



2370 



„ 25... 



2370 



„ 26... 



2370 



Eat 



Osmic acid 



Giemsa 



22 

 22 

 22 

 19 

 10 

 19 

 20 

 21 

 22 

 20 

 21 

 20 

 19 

 20 

 20 

 23 

 23 

 23 

 21 

 23 

 22 

 21 

 21 

 20 

 19 



29 

 30 

 31 

 24 

 23 

 28 

 •25 

 30 

 32 

 24 

 28 

 28 

 29 

 25 

 29 

 30 

 32 

 30 

 33 

 33 

 27 

 31 

 30 

 29 

 26 



21 -4 



33 -0 



15-0 



