PLATE V 



T. gambiense 

 Fig. I. — T. gambiense in Gambian native, x 2,000. 



Fig. 2. — T. gambiense in tame rat, ' long form.' x 2,000. 



Fig. 3. — T. gambiense in tame rat, showing longitudinal 

 division, x 2,000. 



Fig. 4. — T. gambiense in tame rat, from a specimen taken one 

 week before death, ' stumpy form, ' showing chromatin 

 granules, x 2,000. 



Fig. 5. — T. gambiense in tame rat, from a specimen taken one 

 week before death, ' round form,' showing granules. 

 X 2,000. 



T. dimovphum 



Fig. 6. — T. dimovphum. The small ' tadpole-shaped ' parasite 

 in the early stage of the disease, x 2,000. 



Fig. 7.- — T. dimovphum, 'stumpy form,' in tame rat. x 2,000. 



Fig. 8. — T. dimovphum, showing longitudinal division of 

 ' tadpole-shaped' parasite, x 2,000. 



Fig. 9. — T. dimovphum, ' long form,' showing longitudinal 

 division, x 2,000. 



Fig.io. — T. dimovphum, ' long form.' 



