1909.] 



Trypanosoma gambiense in Glossina palpalis. 



409 



Date. 



Day of 

 experi- 

 ment. 



Procedure. 



Result. 



Positive. Negative. 



Remarks. 



1909. 

 Apr. 3 



6 

 7 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 1 

 2 

 3 

 4 

 5 



May 



9 

 10 

 11 



12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 



29""} 



30 I 



31 j. 



32 I 



33 J 

 34^ 



35 | 



36 }» 



37 | 



38 j 

 39' 

 40 

 41 

 421 

 43/ 

 44^ 

 45 



46 | 



47 [ 



48 > 

 49 

 50 

 51 j 

 52] 

 53/ 

 54") 



55 j 



56 L 

 57 

 58 

 591 

 60 | 

 61 

 62 

 63 

 64 

 65 

 661 

 67 | 

 68"| 



69 I 



70 y 



71 [ 

 72j 

 731 

 74/ 



l 5 ^ 

 76 



77 y 



78 



79 



80\ 



81/ 



82~] 

 83 

 84 }. 

 85 

 86 J 

 87 



Fed on Monkey 655 



672 



722 



Starved for 72 hours 



Fed on Monkey 727 



Starved for 76 hours 

 C Cage A fed on Monkey 735 



j 



I „ B „ „ 736, 

 Starved for 74 hours 

 'Cage A fed on Monkey 749 . 



» B „ „ 748. 

 Starved for 72 hours 

 f Cage A fed on Monkey 765 . 



\ 



I .» B „ „ 764. 

 Starved for 72 hours 



Cage A fed on Monkey 848 . 



Starved for 72 hours 



Cage A fed on Monkey 911 . 

 Experiment stopped. 



May 13.— Flies 

 remaining in 

 Cage B killed 

 and dissected. 



May 19. — Fly 

 866 found dead 

 in Cage A and 

 dissected. Did 

 not feed on 

 Monkey 848. 



Expts. 848 and 

 911 healthy on 

 7th June, 1909. 



Remaining flies 

 killed and dis- 

 sected. 



