MAPS 



1 . Mean annual rainfall 



2. Distribution of tsetse flies 



3. Density of population 



4. Principal language groups 



5. Physical features 



Insets Political boundaries : Distribution of vegetation 



facing page 95 



„ 268 



» 558 



„ 592 



End of volume 



ILLUSTRATIONS 



Plate 



I. Tin-mining near Jos, Northern Territories of Nigeria 



The advancing Sahara at Timbuctu 



II. The extremes of African vegetation 



III. Native fisheries 



IV. Practical measures against insect pests 



V. Irrigation works on the River Niger in French Sudan 

 VI. Plant industry in French West Africa 

 VII. Mixed farming 



Veterinary work 

 VIII. The Gold Coast Hospital, Accra 

 Ashanti mothers and children 



Facing page 1 1 6 

 116 

 158 

 238 

 296 

 328 

 348 

 390 

 390 

 488 

 488 



