Plate I 
HUMAN TRYPANOSOME 
Fig. i. Trypanosoma gamb'tense in Gambian native. x 2,000. 
Fig. 2. Trypanosoma gamb 'tense in tame rat. 'Long form.' x 2,000. 
Fig. 3. Trypanosoma gambiense in tame rat, showing longitudinal division. x 2,000. 
Fig. \. Trypanosoma gamb'ieiue in tame rat, from a specimen taken one week before death. ' Stump}' 
form,' showing chromatic granules. x 2,000. 
Fig. 5. Trypanosoma gambiense in tame rat, from a specimen taken one week before death. 'Round form,' 
showing granules. x 2,000. 
GAMBIAN HORSE TRYPANOSOME 
Fig. 6. Horse trypanosome. The small ' tadpole '-shaped parasite in the early stage of the disease. 
x 2,OCO. 
Fig. 7. Horse trypanosome. ' Stump} - form ' in tame rat. x 2,000. 
Fig. 8. Horse trypanosome, showing longitudinal division of ' tadpole '-shaped parasite. x 2,000. 
Fig. 9. Horse trypanosome. ' Long form,' thowing longitudinal division. < 2,000 
Fig. 10. Horse trypanosome. ' Long form.' x 2,000. 
