No. 4.— 1848.] 



CEYLONITE. 



99 



disseminated the quartz through the felspar. In front of 

 the granite lie large blocks of unmixed quartz, as if 

 forcibly ejected from the mass while in the act of passing 

 from a state of fusion into its present consolidation. 



At the distance of half a mile to the westward of this 

 point, a vein of trap is seen cropping out from the beach, 

 midway between high and low water mark ; and this is the 

 only other rock discoverable within miles of the spot. 



