Whales Head and South Cape. 27 



ft. in. 

 Clayey sandstone at the sea level. .... 



Shale, black ..•• 1 



Sandstone, schistose 2 



Black shale, with seams of slaty clay, 

 and several thin seams of shining 



coal, one to two inches thick 30 



Sandstone, carbonaceous and flaggy . . 6 



Ditto, yellow and flaggy 5 



Ditto, carbonaceous, grey 10 



Ditto, ditto, containing thin seams of 



shale and clay ironstone 4 



Ditto, carbonaceous, grey 20 



Black shale in seams passing into slaty 



clay ;•• 80 



Iron clay, such as is now being deposited 

 m springs and creeks, involving peb- 

 bles, &c. 6, 



The whole surmounted by soil of a mixed clayey and 

 peaty character, containing loose greenstone pebbles. 



Certain of the clayey seams in this cliff contain forms 

 constituted of iron pyrites, which may probably turn out 

 to be coprolites. 



Exclusive of vegetable impressions, organic remains, 

 in the shape of coprolites, scales, and teeth of fishes, occur 

 in the iron-clay beds of the South Staffordshire coal-field 

 in England ; and identical remains are found in the coal 

 measures near Edinburgh. 



Reverting to the coal, and the beds associated with it 

 now under notice, I have to observe that the dip varies 

 along the line ; but, assuming it to be somewhere about 

 one foot in six on an average, the thickness of the beds, 

 from the point where the undermost shale shows itself to 

 the point where it is cut off by the greenstone, forming the 

 massive promontory of the Whale's Head, must be about 



