INDEX. 



503 



described by, supposed to be coeval with the 



Wealden, 330. 

 Merstham, Surrey, section at, 140. 

 Mesotype in tlie amygdaloid of the Dukhun, 424. 

 ■ , great masses of, found at Aklapoor in 



the Dukhun, 425. 

 Meyer, M. Von, on Aptychus, referred to, 348. 

 Miller, Mr., late of Bristol, (rfeceaserf,) his collection 



of Blackdown fossils, 239. 

 , a fossil species of Pecten, named after, 



342. 

 Millstone grit, description of the group called the 



first millstone grit between Penigent and 



Kirkby Stephen, 81. 

 , called the second 



millstone grit, 82. 

 ■ upper mill- 

 stone grit, 82. 

 Mineral, new, green, breaking into " Rhombs," 



found at Gorgaon in the Dukhun, 425. 

 Minerals in amygdaloid, of the Dukhun, mentioned, 



425. 

 Mineral axis of Cumberland mountains, unstra- 



tified crystalline rocks, 49. 

 formations on the sides of, arranged sym- 



metrically, 49. 



-, general strike of, 49. 



Mineral waters of the environs of Bonn, 4G3 ; 

 analysis of, ib. 



Mineralogical distinctions, and order of superpo- 

 sition, the foundations of geology, 67. 



Mosdale, notice of the beds in, 93. 



Mosdale moor or wold limestone described, 76 ; 

 range of, ib. 



Mota River, the valley of, on the south of Poona, 

 exceedingly narrow, 412. 



Murchison, R. I., F.G.S., his observations on part 

 of Hants referred to, 153, 156. 



. ■ sketch and description by, of 



Hunstanton Cliff, (PI. X. b. fig. 12. b.,) 313. 



description by, of the 



geological place of a new species of Chelydra, 



referred to, 380. 

 Murchison, Mrs., fossils of the Green-sands of 



Hampshire, collected by, 156. 

 Muswell Hill, Bucks, section at, 279. 



Muswell Hill, near Highgate, Herts, superficial 

 deposit there, containing fragments of several 

 different strata, 293. 



N. 



Nautilus plicatus, wood-cut of, 129. 



New red sandstone series. Prof. Sedgwick on 

 the, in the basin of the Eden, and on the north- 

 western coasts of Cumberland and Lancashire, 

 383. 



, geographical distribu- 

 tion of in Cumberland, and part of Lancashire, 

 384, 405. 



employed in Westmore- 



land and Dumfriesshire for roofing-slate, 

 386. 

 connected with the car- 



boniferous rocks in Cumberland by a lower 

 red sandstone, 387, 400. 

 , great degradation of, 



388, 389. 



of Cumberland differs from 



that of the Bristol and South Wales coal-field, 

 by passing into the coal measure through an in- 

 termediate sandstone, 391. 



in some parts of Cumberland 



is concealed by enormous masses of drifted 

 materials, 388, 389. 

 , probable extension of, at a 



former period from the coast of Cumberland, 

 to Cheshire, 389. 

 at Hole Beck, base of, is 



cellular magnesian limestone, 389. 

 , the gypseous marls of central 



England wanting almost entirely in the, of tlie 

 valley of the Eden, 387. 

 , carboniferous beds some- 



times resemble it in colour, 387, and note. 

 ■ , conglomerates of, near 



Brough and Kirkby Stephen, described, 385. 



, not to be di- 

 stinguished from thedolomitic conglomerates of 

 the Mendip Hills, 385, 399. 



. — of England, proofs of 



the identity of, with that of central Germany, 

 399. 



