288 



NORTH-EAST AFRICA. 



The Bayuda Steppe. 



To the west of the Nile, whose long silver band, skirted with green, stretches 

 in two great curves across Nubia, rise mountains similar in formation to those of 

 the east — primitive rocks, sandstone cliffs, and volcanic lavas and scorioB. The 



Fig. 92. — Bayuda Steppe. 

 Scale 1 : 3,400,000. 



h . of Greenwich 



60 Miles. 



highest groups of summits, Jebel-Magaga, Jebel-Gekdul, and Jebel-Gilif, occupy 

 precisely the centre of the immense circuit, three-fourths of which are described 

 by the course of the Nile between the Sixth Cataract and Dabbeh. Their peaks 

 are said to attain a height of from 3,330 to 3,660 feet. The whole of the space 



