Diseases of Domestic Animals in Nyasaland. 



7 



Chart 2. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 500 Individuals of T. pecorum, Wild-game Strain, taken at random from various 

 animals. 





Micron s 



9 



10 



II \/z 



/J 



14- 



15 



IS 



Ij\l3 



if 



32 

 30 

 2S 

 26 



if 

 Zl 



'an is 

 t 



^ 16 

 10 



e 



6 



f 

 z 























I 































































































































































































f 



























































\ 















































































i 













1 IB 



This curve is made up of measurements from 200 specimens of trypanosomes 

 taken from the goat, 40 from the monkey, 180 from the dog, and 80 from 

 the rat. 



The following table gives the distribution in respect to length of T. pecorum, 

 Wild-game strain, taken from a single rat on consecutive days, as was done 

 in the description of the morphology of T. brucei vel rhodesiense. In this case 

 the rat is not a suitable animal, since many strains of T. pecorum have no 

 effect on it : — 



