causing Disease in Man in Nyasaland. 

 Table VI — continued. 



209 





No. of 

 expt. 





Period of 



Duration 





Date. 



Source of virus. 



incubation, 



of disease, 



Remarks. 







in days. 



in days.* 





Monkey. 



1912. 











Feb. 26... 



287 



Dog 157 



7 



28 



„ 27... 



286 



,, 211 



6 



52 



Mar. 13... 



332 



Goat 117 



8 



31 



April 13... 



406 



Dog 325 



9 



71 



„ 27... 



492 



„ 436 



5 



63 



May 8... 



523 



Wild flies 



4 



5 



„ 31... 



601 





6 



31 



June 7... 



625 





9 



83 



25... 



739 





5 



45 



July 24... 



970 



Rat 658 



8 





Sept. 27... 



1459 



Wild flies 



9 



13 



Oct. 29 ... 



1536 





10 



12 



1913. 











Jan. 13... 



1757 





6 



32 



May 14... 



2151 



Rat 2082 



5 



30 



„ 14... 



2152 



„ 2082 



5 



41 



„ H... 



2153 



„ 2082 



5 



22 



„ 14... 



2154 



„ 2082 



5 



28 



„ 14... 



2155 



„ 2082 



8 



33 







Average 



6-9 



38 



1912. 









Feb. 1... 



116 



Monkey 20 



8 



„ 16... 



211 



Wild flies 



6 



„ 17... 



157 



Dog 116 



9 



„ 17... 



243 



„ 116 



5 



„ 17... 



244 



„ 116 



5 



Mar. 9... 



325 



Monkey 286 ... 



9 



April 12... 



436 



Wild flies 



7 



„ 13... 



440 



Dog 325 



5 



„ 13... 



441 



„ 325 



9 



„ 27... 



493 



„ 436 



5 



May 10... 



525 



Wild flies 



3 



„ 13... 



542 





6 



„ 17... 



549 



Monkey 523 ... 



10 



„ 17... 



551 



Wild flies 



8 



„ 29... 



595 





3 



„ 31... 



602 





5 



June 8... 



626 





8 



„ 26... 



729 



Rat 658 



5 



July 24... 



971 



8 



Oct. 30... 



1537 



Wild flies 



5 



Nov. 22... 



1625 





4 



„ 26... 



1637 





12 



Dec. 7... 



1675 





6 



.. 12... 



1681 





4 



1913. 









Jan. 22 .. 



1782 



Wild flies 



9 



May 14... 



2146 



Rat 2082 



5 



„ 14... 



2147 



„ 2082 



8 



„ 14... 



2148 



„ 2082 



8 



„ 14... 



2149 



„ 2082 



5 



„ 14... 



2150 



„ 2082 



5 







Average 



6- 



Dog. 



23 



11 

 23 

 23 

 41 

 36 

 29 

 60 

 60 

 8 

 42 

 51 

 25 

 18 



53 

 26 

 32 

 30 

 30 

 38 

 25 

 19 



21 

 17 

 17 

 17 

 11 

 24 



Died of wild fly strain. 

 Also showed T. simile. 

 Died of wild fly strain. 



Also showed T. simix. 



„ T.pecorum. 

 Died of wild fly strain. 



j» >» 

 Still alive after 162 days. 

 Died of wild fly strain. 



Died of wild fly strain. 



Killed March 2. 



Died of wild fly strain. 



28 -6 



Also showed T. pecorum. 



Still alive after 175 days. 

 Died of wild fly strain. 



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



