THE YELL ALA OF THE CONGO. 
125 
two miles : Tuckey (p. 184) makes his Son go Sangalla 
contain three rapids ; Prof. Smith, whose topography is 
painfully vague, doubles the number, at the same time 
lie makes Sanga Jalala (p. 327) the “uppermost fall but 
one and the highest.” Finally, at Nsundi (on the map 
Soondy N’sanga), which was reached on Sept. 9, a 
CHICKEN SELLEU. 
picturesque sandy cove at the opening of a creek behind 
a long projecting point, begins a lake-like river, three 
miles broad, with fine open country on both banks : the 
explorer describes it as “ beautiful scenery equal to any- 
thing on the banks of the Thames.” 
Here the Nzadi is bounded by low limestone hills 
already showing the alluvial basin of Central Africa ; 
