488 



Capt. A. D. Fraser and Dr. H. L. Duke. [Dec. 2, 



Table II. — Giving the Eesults of the Dissection of Laboratory-bred Glossina 



palpalis which had Fed on Antelope infected with T. gambiense. 



Experi- 

 ment 



0. 



TV f 

 fli^s used 

 • 



ment. 



TV 



JNO. OI 



8 



issec e . 



No. of 

 infected 

 flies 



Per- 

 centage 



of 

 infected 



flies. 



Eesidt 



of 

 experi- 



Bemarks. 









Bushbuck, Expt. 2328. 



7 















+ 



Flies not dissected. 



215 



115 



79 













402 



53 



42 













403 



49 



42 















21 



21 













539 





33 













647 



52 



51 

















Bushbuck, Expt. 2371. 



89 





27 



o 









216 



90 



61 













404 



50 



33 













405 





41 









+ 





543 



33 



26 















71 



66 













643 



73 



51 



















Bushbuck, Expt. 2372. 



88 





29 



1 



3-45 





218 



72 



37 



1 



2-7 





















607 



84 



70 



1 



1 -4 









64 



59 



2 



3 4 







S^6 















Experiment lasted 12 days. 



357 



38 



38 



















Bushbuck, Expt. 2428. 



106 





It 











222 



20 





2 



10 











Reedbuck, Expt. 2357. 



51 



92 



30 













189 



101 



46 



4 



8-6 



+ 





469 



83 



53 



5 



9-4 







528 



41 



31 



















3 



4-7 



+ 





631 



97 



77 













669 



119 



65 



















Beedbuck, Expt. 2359. 



52 



170 



122 









+ 









61 



5 



8-1 



+ 





398 



50 



49 



3 



6-1 



+ 





400 



49 



40 













530 



54 



23 













642 



33 



30 



















Reedbuck, Expt. 2427. 



97 



1 60 



| 27 





3-7 







254 



72 



49 





2-0 



+ 





322 



28 



28 



\ 







Experiment lasted 9 days. 



323 



1 30 



30 





3-3 





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