396 INDEX. 



Limestone, junction with, in the Pyrenees, 139. 

 Little Bounds mine, metalliferous veins of, 174-. 

 Lyell's, Mr., sketch of the Plutonic theory, 218. 



comparison of the secondary and primary strata, 233. 



M. 



Macculloch, Dr., on the granite of Aberdeenshire, 25. 



Western Isles of Scotland, 67. 209. 



spheroidal structure of granite, 95. 



term stratum, 231. 



-, on stratified appearance of granite, 234. 



-, on the trap of Skye, 275. 



arrangement of the constituent parts of Portsoy 



granite, 353. 

 Magnesian rocks of Cornwall, 4-5. 



in the gneiss of Scotland, 70. 



1 clay-slate of Norway, 80. 



of Mont Blanc, 86. 



Majendie, Mr., on the granite veins at Mousehole, 151. 

 Metamorphic rocks of Lyell, 224. 

 Metamorphosis of strata, 222. 



, the supposed cause of, 223. 



Mica-slate of Ireland, 60. 



in the gneiss of Coll, 69, 



of Norway, 77. 



of the Erzgebirge, 85. 



passing into clay-slate, 79. 



containing granite, 145. 



Mica, beds of, in the gneiss of Norway, 75. 



Monte Calvo, the shingle beds of, 264. 



Mount, St. Michael's, quartz-veins of, 171. 



Mountain chains, strike of strata various in the same, 289. 



Mousehole, granite-veins at, 151. 



, quartz-veins at, 172. 



Junction of granite and slate at, 127. 



Mull, junction of granite and slate at, 133. 



O. 



Oeynhausen and Dechen, on the granite-veins of Mousehole, 152, 

 Ollareous serpentine, Cornish, 47. 



P. 



Palagonia, inclined strata of, 263. 



Pembrokeshire, the trap rocks of, 277. 



Peever mine (Huel), the intersected veins of, 188. 



Phillips, Mr. John, on the cleavage layers of slate, 248. 



