LIST OF ILLUSTRATIONS 



Plate I. Model species of Planema with mimetic forms of Pseuda- 



craea eurytus (coloured plate) .... Frontispiece 



FACING PAGE 



Plate II. Model species of Planema with mimetic forms of Pseuda- 



craea eurytus (coloured plate) ...... 244 



Fly beach on Damba Isle ........ 24 



Fly beach on Bugalla Isle ....... 24 



On Damba Isle ; not a good fly shore ..... 30 



A fly-boy at work ......... 30 



An Ambatch tree ......... 48 



Fly beach on Kimmi ........ 48 



Glossina palpalis and pupae ....... 54 



Uprooted tree on Kimmi Isle forming ideal shelter for pupae . . 54 

 Searching for pupae among grass tussocks on south point, Bulago 



Isle 54 



Tree trunk on Bugalla Isle under which many Glossina pupae could 



always be found ........ 56 



Breeding place of Glossina at hollowed base of tree on Bugalla . 56 



" Enzibaziba " bushes on Damba Isle forming breeding ground . 58 

 Shingle and sand under sheltering Enzibaziba bushes where flies 



have been seen to deposit larvae ..... 58 



The first artificial breeding ground, on Ngamba Isle ... 62 



Artificial breeding ground on Tavu Isle ..... 62 



The Kagera river . . . . . . . . .68 



The head of Napoleon gulf where the Nile arises from the Lake . 68 



The eastern cataract of the Ripon falls ..... 68 



The birth of the Nile 68 



Young Raphia palm ......... 70 



Wild date pahn 70 



A tangled mass of Ipomaea in flower ..... 70 



A bed of bracken on Bugalla ....... 70 



Abrupt margin of forest belt on Bugalla ..... 72 



Park land on Bugalla ........ 72 



