10 



BULLETIN 15 3, UNITED STATES NATIONAL MUSEUM 



different parts of the highlands. On the whole, the rains commence 

 and finish earlier in the north than in the south. 



TROP/CyiL RAIN FOREST 



TEMPERAre fiAIN FOREST 



ACAOA-TAU GRASS SAV/IA/AfAHS 



ACACM -DESERT GRASS SAMNMAHS 



^ 



^ 



MOUNTA/N GRASSLANDS 



TROP/CAL LOWIANO FOREST 





D 



OESeRT SHRUB- DESERT GRASS 



m 



GALLERY FOREST 



THORA/ FOREST 



PAPYRUS StVAMP 



DESERT SHRUB 



^^ DRY WOODED P/iRK LANDS 

 FiGUKE 1. — Vegetation map of northeastern Africa. 



In a general way the Abyssinian highlands may be divided into 

 two main zoogeographic areas — that extending from the Ha wash 



