INDEX. 



449 



Martin, Mr., his memoir on the coal basin of South Mountain limestone in the coal basin of the Forest 



Wales, communicated in 1806 to the Royal So- of Dean, 286. 



ciety,312. of the environs of Tortworth, 



Matlock, notice accompanying specimens of lead 342. 



ore in toadstone from, 1 63. 



in the north-west of Glouces- 



Mediterranean Sea, supposed ancient extension of, tershire, 356. 



37, 38, Msta river, falls of, 14. 



Megalosaurus, or great fossil lizard of Stonesfield, Muscat, cove of, in Arabia, serpentine occurs at, 



notice on the, 390. 409. 



■ detached parts of the animal only — 



as yet found, 390. 



— — — enormous size of, 390. 



found in the ferruginous sand of 



Tilgate Forest, 391. 

 range of this fossil extends from 



the ferruginous sand to the Bath oolite, 393. 

 detailed description of various parts 



strata of limestone in the neighbourhood 



of, 410. 

 Mushet, Mr. David, sections of the coal measures 



of the Forest of Dean, by, 280, 284, 286. 



N. 



Nailsea, coal field of, 251, 260. 



Newer red sandstone of Calvados and La Manche, 



82. 

 ■ of south-western coal district 



of England, 290. 



291. 



glomerate, 297. 



298. 



of its osteology, 395. 

 Menangkabou in Sumatra, 299. 

 Mendip bills, 214, 225. 



insulated patch of lias, on, 303. 



form of, described, 357. 



unscientific mode of ancient mining 



operations in, 367. 

 Mica, crystallized, in Glen Tilt, 69. 

 Michilimackinac Island in Lake Huron, limestone 



of, 194. 

 Micklewood Chase in Gloucestershire, transition 



rocks in, 33 1 . 

 Mildenhall in Suffolk, on the strata observed in 



boring at, 379. 

 Millstone grit in the form of a quartzose conglo- 

 merate, 248. 



in Bristol coal basin, 237. 



of Bristol coal field described, 252. 



impressions of shells in, 252. 



of Forest of Dean, 287. 



Mining district, central, of Russia, 31, 



Mitchel Dean, section of old red sandstone near, 



285. 

 Monte Seano, gypsum of, 169. O. 

 Mountain limestone of the Bristol coal basin, 222. 

 traced in conjunction with old Oca, river, 22, 25, 26. 



red sandstone round the Bristol coal basin, 225. ^ junction with Volga, 24 



dolomitic conglomerate of, 

 bed above the dolomitic con- 

 marl of the upper beds of. 



distinction between it and 



old red sandstone, clearly seen in Bristol coal 

 basin, 299. 



' of the environs of Tortworth, 



349. 

 Nishney Novgorod, 12, 20, 25. 

 Norfolk, on the alluvial strata, and on the chalk of, 



374. 

 Nummulites in limestone, Bengal, 136. 



of, at the defile of the Avon, 245. 



bones of fishes found in, 224. Old red sandstone of the Bristol coal basin, 221. 

 aggregate thickness of the beds traced in conjunction with moun- 

 tain limestone, round the Bristol coal field, 225 . 



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3m2 



