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Transactions of the Boyal Society of South Africa. 
by one flowing north-west to join the Lourens Eiver, has served to isolate 
a large hill composed of rocks of the Malmesbury Series, from the granite 
of the main mass. This hill is in the farm Morgen Ster. 
Malmesbury Beds occupy the country immediately surrounding the 
Schapenberg. To the north-west of the latter area, and north of Somerset 
West, there is the eastern limit of the Kuils Eiver granite, whilst to the 
east of the Schapenberg— and separated from it 1 »y only a narrow outcrop 
of the Malmesbury Series — occurs the large granite mass extending from 
Sir Lowry's Pass to the Stellenbosch Mountains. 
2. The Malmesbury Series. 
Since the chief oT)joct of this paper is to describe the Schapenberg 
granite and its modifications, mention must be made — in order the more 
fully to achieve that object — of the nature of the rocks into which it has 
