1909.] 



Carrier o/" Trypanosoma vivax in Uganda. 



65 



Experiment 1462.— Bull. 



To ascertain if freshly-caught Glossina palpalis, fed on healthy cattle, will give 

 rise to any trypanosome disease. 



Date. 



Flies. 



Result. 



Put on. 



Fed. 



T. gambiense. 



T. vivax. 



1909. 













120 



75 







„ 17 



410 



250 







„ 19 



320 



180 







„ 20 



170 



80 







,, 24 



350 



120 







>, 26 







+ 





September 1 









+ 



2 









+ 



3 









+ 



4 









+ 



6 







+ 



+ 



7 







+ 



+ 



8 







+ 



+ 



9 









+ 



Remarks. — Both Trypanosoma gamhiense and Trypanosoma vivax appeared 

 in the blood of this bull. 



Experiment 445. — Bull. 



Date. 



Fl 



Put on. 



ies. 



Fed. 



Result. 

 Trypanosoma vivax. 



1909. 









September 28 



470 



220 





29 



160 



95 





30 



65 



45 







300 



180 





2 



400 



280 





4..., 



500 



3on 





5 



190 



85 





7 



250 



170 





8 



300 



165 





„ 11 



100 



70 





„ 15 



450 



360 





„ 16 



470 



350 





„ 18 







+ 



» 19 









Remarks. — Trypanosovia vivax only appeared in the blood of this bull. 



VOL. LXXXII. — B. F 



