294 



SAVAGE SUDAN 



(v) "HELL'S GATE" 



The Nilotic landscape in these regions has, as already 

 indicated, completely changed its character. Level 

 marsh and low-lying forest have given place to an 

 environment of rocky mountains. Giant boulders stud 

 the river sides and even project into the unaccustomed 



" BALANCING "(Marabou). 

 Wing-expanse, 103! inches ; weight, 13 Ib. 



stream. The change rejoices eyes wearied by 1000 miles 

 of irksome monotony ; but it adds a new peril to naviga- 

 tion. Hitherto we had freely and carelessly bumped up 

 against papyrus-barriers, or "cannoned" off marsh-girt 

 banks. With rock, that expedient is dangerous. 



This fact was vividly impressed by an incident that 

 occurred above Mongalla, at a point ominously known as 



