BIRDS OF ETHIOPIA AND KENYA COLONY 



11 



north to Bogosland and west to the Blue Nile, and south to the west 

 of the Eift Valley to soutliern Shoa (pi. 5) and the Omo basin ; and that 

 to the south of the Hawash and to the east of the Rift Valley extend- 

 ing southeastward to the highlands of Arussi-Gallaland. The two re- 



too ieo 30 4-00 J'O O f^lLCS 



• SCALE • 



Figure 2. — Annual rainfall map of northeastern Africa. 



1. 0-10 inches. 5. 40-50 inches. 



2. 10-20 inches. 6. 50-60 inches. 

 •«. 20-30 inches. 7. 60-70 inches. 

 k. 30-40 inches. 8. 70-80 inches. 



gions have most of their species in common, but the northern area has 

 a number of birds not found to the south of the Hawash. Thus, such 

 birds as Geronticus eremita^ Bostrychia canmciilata, Tylibyx melano- 

 cefhala^ Agapomis taranta, Lyhius tsanae, and Pyrrhocorax pyr- 

 rhocorax occur in the northern and not in the southern highlands. 



