•^12 



T. GAMBIENSE 



[CH. 



Fig. 75. (i-iq)- Trypanosoma gambisnse. x about 2000 diameters. 



(After Muriel Robertson.) 

 1—4. Trypanosomes from the blood of a monkey. 

 5-6. Division of blood-tj'pes. 

 7-8. Trypanosomes in the middle intestine of Glossina, 3G-4S hours 



after ingestion, 

 q-io. Slender proventricular types, final form of the gut development. 

 11-12. Specimens newly arrived in the salivary gland. 

 13-15. Typical salivary gland form, shewing the crithidial condition. 

 16—17. Division of salivary gland forms. 



18-19. Final trypanosome types in the salivary glands, probably the in- 

 fecting form. 



