LIST OF FIGUKES IN THE TEXT. 



FIG. PAGE 



1. Trypanosoma hrucci, Plimmer and Bradford, the parasite of 



Nagana, or Tsetse-fiy disease, in blood of donkey ( x about 

 2,500 diameters) ; from a stained preparation kindly lent by 

 the London School of Tropical Medicine . . . . iv 



2. A Tsetse-fly (Glossina lotigipennis, Corti, from Somaliland), in 



resting attitude, showing the position of the wings ( X 4) . 4 



3. Stomoxys sp., from Natal, in resting attitude, showing the position 



of the wings ( X 4) 5 



4. Hssniatopota sp., from Zululand, in resting attitude, showing the 



position of the wings ( X 4) . . . . . .6 



5. A Tsetse-fly (Glossina morsitans, Westw., ? ), before feeding (x 6) 20 



6. A Tsetse-fly (Glossina morsitans, Westw., ? ), after feeding, 



showing abdomen distended with blood ( x 6). From a 

 drawing from life kindly lent by Lieut. -Colonel Bruce . . 20 



7. Pupa of Zululand Tsetse-fly, dorsal aspect ( x 12) ; a, posterior 



extremity, showing pit and right larval stigma, st (x 24); 

 b, anterior extremity, showing bifurcated longitudinal seam, 

 which opens to permit the escape of the imago ( x 8) . . 27 



8. Diagram showing nomenclature of external characters of Glossina, 



used in description ........ 62 



9. Left antenna of Glossina pallidipes, Austen, S , from the inner 



side (x 60) ; p, aperture of sense-organ on third joint . . 6.3 



10. Diagram of thoracic chastotaxy of Glossitia, dorsal aspect ( x 10) . 67 



11. Diagram of thoracic chsetotaxy of Glossina, pleural aspect (x 10) 69 



12. Distal portion of abdomen of Glossina morsitans, Westw. (ventral 



aspect), showing (h) hypopygium (x 15) . . . .94 



13. Distal portion of abdomen of Glossina longipalpis, Wied. (ventral 



aspect), showing (7i) hypopygium (x 15) .... 94 



14. Dog suffering from Tsetse-fly disease, or Nagana (after Bruce) . 281 



15. Horse suffering from Tsetse-fly disease, or Nagana (after Bruce) . 282 



16. Donkey suffering from Tsetse-fl[y disease, or Nagana (after Bruce) 284 



