144 



VENOMS 



AFRICA.— (contd.) 



Families Sub-Families 



ViperidjE Viperince . 



Genkba 



( Catisus 

 Vipera 



Bitis 



Cerastes 

 Echis 



A Uteris 

 i Atraciaspia .. 



Geogbaphical Area 



( West Africa, Gambia, Great 

 . J Lakes, Congo, Angola, 



[ Transvaal. 



( Morocco, Algeria, Tunis, 

 ' 1 Egypt, Mozambique. 



/ Zanzibar, Zambesia, the 



I Gape, Transvaal, Congo, 

 the Gaboon, BengueUa, 



I Angola, Senegal. Nigeria. 

 . North Africa, the Sahara. 



( North Africa, Lake Chad, 

 . -1 Soudan, Egypt, Somali- 



( land, Socotra. 



r Tropical Africa, Dahomey, 

 . -1 Lagos, the Cameroons, 



I the Gaboon, Congo. 



/Tropical and South Africa, 



Congo, Angola, Lake 

 Chad, the Gaboon, Da- 

 homey, Gold Coast, Zan- 

 zibar, Somaliland, Natal, 

 and the Cape. 



