74, E. H. L. SCHWARZ 
used extensively as fine gravel. The spheroidal weathering is 
noticed only on the outer margin of the laccolites. From the top 
of the Etanga Valley to the river level there is a drop of 1,500 feet; 
Komgha lies on the plateau at 2,114 feet above sea-level, and 
HEATHCOTE’S FARM 
SEDIMENTARY 
-DOLERITE 
Fic. 4.—The Quizzyhota Mountain, showing the dolerite breaking up through 
the Karroo sedimentary beds. Looking east, i.e., down stream. 
Sihota,’ the station just on the Transkeian side of the bridge, at 
560 feet. Sihota lies some 50 feet above the river. This drop of 
1,500 feet is accomplished by the railway in 10 miles, or less than 
half that in a straight line, and just before entering the zig-zag by 
which the train reaches the level of the river there is a small expo- 
t Sthota is a Kaffir word meaning an “‘ant-bear.”’ 
