512 Sir D. Bruce and others. Description of a 



Table I — continued. 



Date. 



No. of 



Source of virus. 



Incubation, 



Duration, 



Remarks. 



expt. 





in days. 



in days.* 











Goat. 







Feb. 12... 



1887 



Eats 1832 and 1838 ... 







Never showed trypanosomes. 



„ 12... 



1888 



„ 1832 and 1838 ... 









» >) 



„ 12... 



1889 



„ 1832 and 1838 ... 



15 



109 



Died of T. brucei. 



>. I 2 -- 



1891 



„ 1832 and 1838 ... 



— 







Never showed trypanosomes. 



Mar. 15... 



1890 



Guinea-pigs 1840 and 



12 



45 



Died of T. brucei. 







1843 









July 16... 



2290 



Dog 2254 



26 



39 



» » 



„ 16... 



2291 



„ 2254 



36 



116 









Average 



22 -2 



77 -2 











Monkey. 







Feb. 3... 



1833 



Rabbit 1830 



7 



8 



Died of T. brucei. 



3... 



1834 



„ 1830 



7 



15 



13 )) 



„ 3... 



1835 



„ 1830 



7 



14 



» )J 



„ 3... 



1836 



„ 1830 



7 



49 



3) »» 



„ 3... 



1837 



„ 1830 



7 



16 



l) )> 



„ 17... 



1970 



Laboratory-bred flies... 



— 



17 



>) J) 



July 16... 



2292 





5 



50 



J) >) 



„ 16... 



2293 



„ 2254 



5 



65 



)) )> 







Average 



■ ■ 



6 -4 



29 -2 











Dog. 







Feb. 14... 



1904 



Monkey 1835 



6 



26 



Died of T. brucei. 



„ 14... 



1905 



„ 1835 



6 



17 





14... 



1906 



1835 



10 



18 



7) 



>, 14... 



1907 



„ 1835 



6 



23 





„ 14... 



1908 



„ 1835 



6 



21 





April 1 . . . 



2047 



Eat 2027 



6 



15 





„ 1... 



2048 



„ 2027 



6 



20 



)> )) 



„ 1... 



2049 





6 





)» » 



„ 1... 



2050 



„ 2027 



6 



17 



» » 



„ I- 



2051 



„ 2027 



6 



20 





„ 22... 



2104 



„ 2065 



6 



17 





June 24... 



2240 



Guinea-pig 2225 



7 



12 



» » 



July 3... 



2254 



Laboratory-bred flies... 



? 



17 





„ 9.» 



2281 



Guinea-pig 2225 



5 



20 



)) )) 



„ 16... 



2294 





5 



19 



») )> 



„ 16... 



2295 



„ 2254 



5 



22 



)) >; 



Aug. 11... 



2361 



Wild flies 



p 



16 



)) 5) 







Average 







6 -1 



18 5 











Rabbit. 









145 



Dogl 





33 



Shilston. 





146 



„ 1 





39 







150 



„ 2 





31 







157 



Eat 4a 



13 



34 . 







158 



Horse 37 



3 



27 







165 



Eabbit 158 



5 



27 





Jan. 13... 



1897 





? 



36 



Died of T. brucei. 



„ 17... 



1830 





? 



35 



J) 3) 







1 



Average 



7-0 



32 -7 





* Duration includes the days of incubation ; it dates from day of infection. 



