. 110 Transactions. 
the crust sufficiently to cause the later movements to have more of the 
features of those in thick-shelled regions. The Plio-Pleistocene folds are 
broken by very many fractures. In opposition to Richthofen's view, cited 
Hobbs (1921), indicates the position of these. the fracturing and 
block-movement, the drainage system and the outline of the island have 
very largely been determined. On the western side, between Macassar 
