88 



THE DISCOVERY OF LAKE RUDOLF 



the drawing) ; another spot is in front at the foramen of the 

 trunk, and lies somewhat above the Hne forming the two orbital 

 cavities. A third, but seldom accessible, is above on the roof of 

 the skull, whilst a fourth lies on either side, behind the aural 

 foramina at the back of the skull. These spots being thus 

 defined, a great deal depends on the direction in which the 

 bullet strikes, and an exact knowledge of the formation of 

 the skull as well as a sure eye and a steady hand are essential 

 to ensure success in hunting these animals. 



SKULLS OF AFPJCAN ELEPHANTS. 



But we must get back to camp now. The valley in which 

 we had halted ran on for some distance further, but was much 

 encumbered in certain portions ; we therefore crossed the 

 base of Mount Nyiro at the beginning of the next march. The 

 volcanic plateau facing Mount N'yiro on the west gradually 

 increases in height further on, and becomes merged in 

 lofty highlands, also of volcanic formation, which present a 

 perfect chaos of wild ravines and perpendicular precipices. 

 After a march of many hours we reached the somewhat less 

 rugged northern end of Mount JSTyiro, finding it to form a ridge 



