468 INDEX. 



PAGE 



Linton, height of 437 



Litchfield, Mr. Aikin's observations on the gravel of . . 426 

 Locks. See Veins. 



London, account of the plastic clay beds near . . . 283 



, on the formation of the marsh lands near . . 302 



clay, occurring at Shooter's Hill . . . . 290 



Lyas. See Lias. 



Lydian stone, appearance of in the clay slate of Cruachan when 



in contact with veins . . . . . . . 118 



Mac Culloch, John, M.D. F.L.S. President of the Geological 

 Society, Observations on the Mountain Cruachan in Ar- 

 gyleshire, with some remarks on the surrounding country 1J7 



Corrections and additions to 



the Sketch of the Mineralogy of Sky, published in the 



Third Volume of the Transactions of the Geological Society 156* 



< Observations on the Hill of 



Kinnoul in Perthshire ....*.. 220 



Supplementary observations 



on quartz rock, made in 1814. . 264 



Further observations, 1816. 273 



On the parallel roads of Glen 



Roy 314 



On a shifted vein occurring 



in limestone ........ 392 



Explanation of a Supplemen- 

 tary plate to the paper on vegetable remains preserved 

 in chalcedony, printed in the Second Volume of the 

 Transactions of the Geological Society .... 398 

 On a peculiar disposition of 



the colouring matters in a schistose rock . . . 399 



Mac Donnell, Dr. notice of nuts filled with calcareous spar in 



Belfast Lough . . . . . . . . 443 



■ on veins of granite in slate in the Mourne 



Mountains 443 



