﻿INDEX TO THE PROCEEDINGS. 



Mullock Hill sandstones, the fossils of 



the, 144, 171. 

 Mundesley, freshwater deposits of, 20, 



133. 



Murchison, Sir R. L, on the anthracite 

 beds of Petit-Cceur, noticed, xliv ; on 

 the slaty rocks of the Sichon, 13; on 

 the mineral springs of Vichy, 76 ; on 

 the Silurian rocks of the South of 

 Scotland, 137 ; on the geology of 

 the south-western Highlands of Scot- 

 land, 168 ; on the distribution of the 

 flint-drift of the South-east of En- 

 gland, on the flanks of the Weald, 

 and over the surface of the South 

 and North Downs, 349. 



Musakhail, palaeozoic fossils from, 38. 



Muschelkalk of the Himalaya, Captain 

 Strachey on the, 305. 



Museum Committee, report of the, iii. 



— ■ — , donations to the, viii. 



Nar Valley, Mr. Trimmer on the depo- 

 sits of the, 23, 26. 



Negative evidence, the value of, noticed, 

 lxvii. 



Neritina Staffinensis, 110. 



Niagara River, Dr. Bigsby on the erra- 

 tics of, 229. 



Nidulites favus, 174. 



Norfolk, Mr. Trimmer on the erratics 

 of, 19 ; Mr. Austen on the pleisto- 

 cene deposits of, 133. 



North America, Sir J. Richardson on, 

 212. 



. See Canada. 



North Downs, drift of the, 373. 

 Northampton, the Marquis of, notice 

 of, xxx. 



Northern drift, Mr. Trimmer on the, 

 19. 



Notice of a new combustible substance 



discovered in Russia, 66. 

 of the coal-mines near Erzeroom, 



65. 



of the occurrence of an earthquake 



at Brussa, 19. 

 of the occurrence of an earthquake 



at Carthagena, 238. 

 Nova Scotia, upright Calamites in, 194. 

 Nummulitic rocks of the Upper Pun- 



jaub, 40, 43. 

 Oltoo, coal district near, 65. 

 Oolite, absence of pulmoniferse in the, 



lvii. 



— — , flora of the, noticed, xlix, Iviii. 



, insects of the, noticed, lviii. 



, inferior, of Gloucestershire, 208. 



Oolitic fish of the Deccan, 273. 

 Orbicula? crassa, 151, 175. 

 Origin of thermal springs, Sir R. I. Mur- 

 chison on the, 81. 



Origin of the soils on the chalk of Kent, 



Mr. Trimmer on the, 31. 

 Ormerod, Mr. G. W:, on the Permian 



beds at Astley, Lancashire, 268. 

 Ornithichnites, noticed, lix. 



of the Wealden, 117. 



Orthoceras politum, 151. 



Barrandei, 177. 



vaginatum, 177. 



Orthoceratite flagstone of Ayrshire, 



149. 



Ostrea Hebridica, 110. 

 Otozamites, 193. 



Owen, Prof., description of the im- 

 pressions on the Potsdam sandstone 

 discovered by Mr. Logan in Lower 

 Canada, 250 ; on the theory of pro- 

 gressive development, noticed, xxxiv; 

 on the Stonesfield mammalia, no- 

 ticed, lxiv ; on fossil mammalia, no- 

 ticed, lxix; on Canadian reptile- 

 tracks, noticed, lxxv. 



Oxfordian rocks of the Himalaya, 306 ; 

 of the Isle of Skye, 106. 



Palaeozoic fossils of the Khyber Moun- 

 tains, 45. 



Palissya? Williamsoni, 191. 



Peasemarsh, Mr. Austen on the gravel- 

 beds of, 281 ; Sir R. I. Murchison on 

 the detritus of, 375. 



Pecopteris Beaumontii, 194. 



csespitosa, 186. 



curtata, 187. 



exilis, 188. 



obtusifolia, 188. 



Whitbiensis, 194. 



Williamsoni, 187. 



Peel, Sir Robert, notice of, xxiv. 



Penine chain, Mr. Trimmer on the 

 erratics bordering the, 201. 



Pennsylvania, fossil reptile-tracks of, 

 noticed, lvii. 



Permian beds at Astley, Mr. Ormerod 

 on the, 269. 



? beds of Dumfries, Sir R. I. Mur- 

 chison on the, 163. 



Perna Murchisonii, 111. 



Persia, Western, Mr. Loftus on the 

 mountain-range of, 263. 



Peshaur, Major Vicary on the geologv 

 of, 38. 



Petersfield, flint- drift of, 352. 

 Petit-Cceur, anthracite-beds of, noticed, 

 xliii. 



Phascolotherium Bucklandi, noticed,lxv. 



Phillips, Prof. J., on the Silurian fauna, 

 noticed, Hi. 



Physical geography of N. America, Sir 

 J. Richardson on the, 212. 



Pictou, Mr. Dawson on upright Cala- 

 mites at, 194. 



