1913.] Diseases of Domestic Animals in Nyasaland. 283" 



Table IV — continued. 



Date. 



No. of 

 cxpt>. 



Source of virus. 



Period of 

 incubation, 

 in days. 



Duration, 

 in days. 



Remarks. 















1912. 













Feb. 2... 



49 



Wild flies 



— 



— 



Only showed T. simia. 



Mar. 9... 



326 



From Goat 175 







Never showed trypanosomes. 



Apr. 15... 



405 



Wild flies 



— 



— 



Only showed T. simiat. 



23... 



465 











1 23... 



467 













Only showed T. pecorum. 



July 25... 



989 



From Eeedbuek 988 ... 







— 



Never showed trypanosomes. 



Aug. 22... 



1154 



1153... 



' 



— 



>) m 



„ 22... 



1157 



1156... 







— 



>) ») 



Sept. 13... 



1340 



From Waterbuck 1339 







— 





„ 14... 



1364 



From Eeedbuek 1363. .. 







— 



J) J J 



„ 18... 



1389 



From Waterbuck 1388 







— 



J J )> 



„ 20... 



1407 



1406 







— 



)J >) 









Dno- 







Mar. 9... 



319 



From G oat 175 



— 



— 



Never showed trypanosomes. 



„ 9... 



320 



„ 175 







Only showed T. brucei. 



,, 9... 



321 



„ 125 





— 



Only showed T. pecorum. 





322 



„ 125 







»j .) 



„ 9... 



344 



263 









Never showed trypanosomes. 

 a » 



„ 9.. 



345 



263 





— 



o uiy <&*j • • ■ 





From Reedbuek 988... 







>> » 



Aug. 22... 



1155 



1153... 





— 



>> >> 



„ 22... 



1158 



1156... 







»» > j 



Sept. 13... 



1341 



From Waterbuck 1339 





— 



)» >> 



„ 14... 



1365 



From Reedbuek 1363... 







» » 



„ 18... 



1390 



From Waterbuck 1388 





— 









Guinea-pig. 







Mar. 20... 



351 



' From Goat 263 







Never showed trypanosomes. 



„ 20... 



352 



;, 263 















Rat. 







Mar. 20... 



351 



From Goat 263 







Never showed trypanosomes. 





352 



„ 263 









The Carrier of T. capr^e. 



The carrier of T. caprce in Nyasaland is G. morsitans. These tsetse flies 

 in the neighbourhood of Kasu are heavily infected with this trypanosome. 



In the experiments made to ascertain with what trypanosomes the wild 

 flies are naturally infected, T. caprce was found in 61 per cent. 



The development of this trypanosome in G. morsitans will be dealt with in 

 a future paper ; suffice it to say here that it is restricted to the proboscis and 

 runs a course of from 16 to 20 days. 



VOL. LXXXVI. — B. X 



