276 Sir D. Bruce and others. Trypanosomes in [Jan. 13, 



the trypanosome was found in a thick or thin film or by inoculation of a 

 quantity of blood from the wild animal into healthytexperimental animals. 



Table III. — Species of Trypanosomes found in the Blood of Wild Animals in 

 the Sleeping- Sickness Area, Nyasaland, and the Number of Times each 

 was found. 



Number of 

 animals. 



T. brueei vel 

 rhodesiense. 



T. pecortwi. 



T. simice. 



T. caprcB. 



T. ingens. 



180 



14 



26 



3 



20 



3 



In every 100 wild animals living in the Sleeping-Sickness Area, Nyasaland, 

 taken at random, the following numbers may be expected to be found infected 

 with these species of trypanosomes. 



Table IV. — Percentage of Animals infected by the different Species of 



Trypanosomes. 



T. brueei vel 

 rhodesiense. 



T.pecomm. 



T. simice. 



T. caprce. 



T. ingens. 



7-8 



14 -4 



1-7 



11 1 



1-7 



Table V. — The Species of Animals dealt with, the Total Number examined, 

 the Number found Infected, and the Species of Trypanosomes by which 



they were Infected. 



Animal. 



Total No. 

 examined. 



No. found 

 infected. 



T. brueei 

 vel 

 rhodesiense. 



T. pecorum. 



T. simice. 



T. caprce. 



T. ingens. 



Eland 



10 



6 





6 





1 





Sable 



5 

















Waterbuck 



13 



9 



3 



1 





8 





Koodoo 



3 



2 





2 









Bushbuck ... 



10 



7 





7 





1 





Hartebeeste 



35 



6 



5 



1 









Reedbuck ... 



19 



12 



3 



1 





9 



1 



Oribi 



26 



4 



1 



1 





1 



1 



Duiker 



• 7 



2 



1 









1 



Buffalo 



9 



2 





2 











1 



















3 



2 





2 









Elephant ... 



2 

















Warthag . . . 



33 



7 



1 



3 



3 







Wildcat ... 



3 

















Porcupine . . . 



1 

















Total... 



180 



59 



14 



26 



3 



20 



3 



