1913.] Blood of Wild Animals Living in Nyasaland. 277 



The next table gives the percentages of the different trypanosomes 

 occurring in the wild animals. The numbers are too small to be taken 

 literally, but it is interesting to learn that in this fly-district the waterbuck, 

 hartebeeste, reedbuck and duiker are dangerous neighbours to man ; the 

 eland, koodoo, bushbuck and buffalo to cattle, goats and sheep ; and that 

 the warthog is the only animal which harbours T. simice, the lightning 

 destroyer of the domestic pig. 



Table VI. — Percentages of Different Species of Trypanosomes harboured by 



Wild Animals in the Fly-area. 



Animal. 



No. 

 examined. 



T. brucei vel 

 rhodesiense. 



T. pecorum. 



T. simice. 



T. eaprce. 



T. ingens. 







per cent. 



per cent. 



per cent. 



per cent. 



per cent. 



Eland 



10 





60 





10 





Sable 



5 















13 



23 



8 





61 





Koodoo 



3 





66 









Bushbuck 



10 





70 





10 







35 



14 



3 











19 



16 



5 





47 



5 



Oribi 



26 



4 



4 





4 



4 





7 



14 









14 



Buffalo 



9 





22 









Lion 



1 















3 





66 











2 













Warthog 



33 



3 



9 



9 







Wild cat 



3 















1 













Conclusions. 



1. 31*7 per cent, of the wild game in the fly-country below Kasu Hill 

 harbour pathogenic trypanosomes. 



2. The species of trypanosomes found are T. brucei vel rhodesiense 

 7'8 per cent., T. pecorum 14*4, T. simice 1*7, T. caprce 11"1, and T. ingens 1*7. 



3. It is self-evident that these wild animals should not be allowed to 

 live in " fly-country," where they constitute a standing danger to the native 

 inhabitants and the domestic animals. It would be as reasonable to allow 

 mad dogs to live and be protected by law in our English towns and 

 villages. Not only should all game laws restricting their destruction in 

 " fly-country " be removed, but active measures should be taken for their 

 early and complete blotting out. 



4. It must be strictly borne in mind that this only refers to wild animals 

 living in fly-areas. No pathogenic trypanosomes have, up to the present, 

 been found by the Commission in the blood of animals living in fly-free 

 areas. 



