Quart. Jourri. Geo!. Soc. Vol. LXIII, PI. XV 



Photo, by F. W. Sykcs. 



Kalonga's Cleft, nearly 300 feet deep, at the head of the gorge of the 

 Karamba Elver, a tributary of the Zambezi {see Figs. 6, 7, and 8). 



The stream enters the Cleft on the right, after dropping from the plateau 

 into a shorter chasm branching off from this at right angles. 



