Yol. 69.] GEOLOGICAL HISTORY OF THE MALAY PENINSULA. 363 



XIV. The Foemation of Lignite in Limestone-' Cups.' 



The association of lignite and sand with the formation of ' cups ' 

 by solution in the limestone under the glacial clays in Kinta 











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demands attention, not only because it constitutes an interesting 

 type of recent deposit, but also because it proves on examination to 

 be a good example of the growth of coal in situ. The formation of 



