12 



Sir D. Bruce and others. Trypanosoma 



This curve is made up of measurements from 200 specimens of trypano- 

 sonies taken from the goat, 40 from the monkey, 160 from the dog, 20 from 

 the guinea-pig, and 80 from the rat. 



Breadth. — Measured across the broadest part of the body, not including the 

 undulating membrane, T. pecorum, Wild Glossina morsitans strain, averages 

 1*94 micron (maximum 2*75, minimum 1*25). 



Comparison of the Mvera Cattle Strain, "Wild-game Strain, and Wild 

 Glossina morsitans Strain of T. pecorum. 



The following table gives the average length of this trypanosome in the 

 three strains under consideration, as found in the donkey, ox, goat, monkey, 

 dog, guinea-pig, and rat : — 



Table XL — Measurements of the Length of the Tiypanosomes of the 



Three Strains. 



Date. 



Strain. 



No. of trypano- 

 somes measured. 



Animal. 



Average 

 length. 



In micron: 



Maximum 

 length. 



Minimum 

 length. 



1912 



Mvera cattle 



500 



Various ... 



14-0 



18 '0 



9-0 



1912 



Wild game 



500 



,, ... 



14 -3 



18-0 



11 -o 



1912 



Wild G. morsitans ... 



500 



,, 



13 -9 



18 



9 



