1910.] Uganda as a Reservoir of Virus of Sleeping Sickness. 333 
Experiment 2018. 
Day of 
Date. experi- Procedure. Result. Remarks. 
ment. 
1910. | 
| Jan. 4—10......... 1—6 | Flies fed on Fowl 1927. | 100 laboratory-bred G‘. pal- 
palisused. Fowl, Experi- 
ment 1927, has been fed 
on for 29 days by 7. 
gambiense-infected G. pal- 
palis. 
ce ee 7 Flies starved. 
», 12—Feb. 23} 8—=50 | Flies fed on Monkey 2061.! — 87 G. palpalis dissected 
throughout this experi- 
ment between the 11th 
and 55th days after flies’ 
first feed on Fowl 1927. 
All were negative for 
flagellates. Monkey 2061 
examined, with negative 
result, till March 7. 
Experiment 2019. 
Day of | 
Date. experi- Procedure. Result. Remarks. 
ment. | 
| 
1910. 
Jan. 4—10......... I1—6_ | Flies fed on Fowl 1926. 100 laboratory-bred G. pal- 
palis used. Fowl, Experi- 
ment 1926, has been fed 
on for 29 days by Tf. 
gambiense-infected G. pal- 
palts. 
0, ‘9 0 ese nE 7 Flies starved. 
» 12—Feb. 23} 8—50 | Flies fed on Monkey 2062.: — (| 80 G. palpalis dissected 
throughout this experi- 
ment between the 11th 
and 55th days after flies’ 
first feed on Fowl 1926. 
All were negative for 
flagellates. Monkey 2062 
was examined bi-weekly 
for T. gambiense until 
March 22; no trypano- 
somes were seen. Monkey 
remained healthy. 
