Vll 



PLATES. 



I. to VII. Larval and pupal stages of West African Culicidse to face 



YIII. West African Hemiptera injurious to Cocoa 



IX. Tabanus tceniola, P. de B., and 2\ pav^ Walk 



X. Plan of part of Cairo infested by a Mealy Bug {Dacty- 



lopius permciosus, Newst. & Willcocks) 



XI. to XIII. West African Fruit-flies (Trypetidse) 



Page 

 50 

 62 



104 



136 

 170 



MAPS. 



Page 

 Sketch-map showing the distribution of Glossina morsitans in the 



Lundazi District, N.E. Rhodesia to face 183 



Map showing Tsetse- fly areas in Nyasaland ,, 204 



Map of West Africa, showing places in which the Stegomyia mosquito 



has been found , „ 262 



Map of West Africa, showing places in which yellow fever has 



occurred ,, 262 



Sketch-map of a portion of North Nyasa district, to show the 



dii^tvihxxtion oi Glossina fusca ,, 302 



Map of N.E. Rhodesia, to illustrate Mr. S. A. Neave's report on a 



journey to the Luangwa Yalley „ 316 



