XIV 



O N TENTS 



§ 25 



Inflances from Portrufh in Ireland, and from 



Cerigo on the coafl of Greec 

 Veronefe, $ 254. 



from 



mation 



254. Objeftions to the Neptunian for- 

 ^hinftone, founded on the difference be- 

 tween it and the contiguous llratified rocks, #255, 

 On the refemblance of the llrata below and above cer- 

 tain maifes of whinftone, § 2^6. On the irregularity 

 of the thicknefs of thofe maffes, ^257. Wedge-form 

 maffes of whinftone inclxided between flrata, $ 258. 

 Confeq^uences of this wedge-form, § 259, ^andllone 

 fragments included in whin, § 260, 261. Bending 

 of the llrata contiguous to whinftone, § 263. In- 

 duration, § 264, 265. Charring of coal by whin, 

 § 266. Of the manner in which the bitumen may 

 have been driven oiFby heat, § i6y. Two kinds of 

 follil coke, § 268. Graduation into plumbago, ib. and 



269. 



Only remaining objedion obviated by Sir 



James Hall's experiments, § 270. 



Note xv. — On Granite. Page 307 



§ 



Veins of which the 



ame 



not viiib 



At the ifle of Coll, in the Hebrides, § 



§ 



§ 



in Glen- 



§277. V 



Argument furniihed bv them 



s 



theo- 



^ 



§ 278, 279. Impoffibility of their being formed 



by infi ra ion, § 280 Veins of this kind in A 



281, — Galloway 





Invernefs-ih 

 wall, 



nite, § 286 



82, — ^^fides of Loch-Chloney, 

 St Michaers Mount, Corn- 



Fra 



2. Granito 



