472 Col. Sir D. Bruce and others. Tryj^anosome [May 13, 



Animals Susceptible to Trypanosoma pecorum. 

 Table II. 



No. of 

 experiment. 



Source of 

 virus. 



Period of 

 incubation, 

 in days. 



Duration of 

 disease, 

 in days.* 



Eemarks. 



Cattle. 



82 



Natural 



? 



2 





infection 







110 



)) 





243 



230 



)» 





4 



357 



)» 





3 



358 





1 



359 







60 



360 







14 



391 



» 





313 



475 



it 





9 



476 



1) 





2 



477 



)> 





13 



482 



J) 





5 



483 



n 





34 



505 



J} 





265 



550 







— ' 



1459 



It 





43 



1560 



» 

 JJ 





46 



1731 





79 



1733 



71 





76 



1735 



)» 





79 



1736 







79 



1737 







84 



97 



Ox 



9 



46 



447 



J> 



8 



287 



14G3 



)> 



7 



35 



1464 



J) 



7 



14 



1225 



Monkey 







loot 



Vog 



o 



J 5 



1358 





6 



18 





>f 



0 





1363 



j» 



6 



15 



13(J4 





6 



38 







6 



29 





Average 



6-7 



03 









Goat. 



1005 



Ox 







1006 





14 



44 



1404 





9 



41 



1405 



It 







*i33 



Monkey 



12 



51 





Avrrace 



11 -6 



46 



Died 2 days after arrivaL 



Treated witli lithium antimonyl 



tartrate. 

 Died 4 days after arrivaL 



„ 3 



,, 1 day after arrivaL 

 Treated with arsacetin. 

 Died of Tryjianosoma pecorum. 



)» )) 

 Died 9 days after arrivaL 

 „ 2 

 „ 13 



., 34 

 Killed. 



Treated with arsenic ; still alive after 



254 days. 

 Died 43 davs after arrival. 



46 

 Killed. 



Died 76 days after arrival. 

 Killed. 



1) 



Died of Trt/panosoma 2>ecorum, 



J' jj 

 Killed. 



Died of Trypanosoma pecorum. 

 >» 



Died 8 days after inoculation ; bitten 

 by snake. Never showed trypano- 

 somes. 



Died of Trypanosoma 2>Pcorum. 



Never showed try])anoson)es ; still 



alive lifter 72 (hxys. 

 Cause of death doubtful. 



Never showed trypaiiosomos ; under 



observation 31 days. 

 Cause of deatli doubtful. 



* Diinitinii iiichiilcs (lie days of iiieub.ition, it dnli's from tlie day of iiiferlioii. 



