Index. 431 



Macaulay, James, M.D., his notes on the physical geography, geo- 

 logy, and climate of Madeira, 336. 



Madeira Island, account of, 336. 

 Madras Journal noticed, 425. 



Mammoth, its distribution in Siberia, 186. 



Mediterranean and Dead Seas, their relative levels, 96. 



Meikle, Mr, of Edinburgh, claims Mr Espy;s theory of atmospheri- 

 cal phenomena, 413. 



Meyer, Hermann Von, on the occurrence of a fossil bird in the chalk- 

 slate, 27. 



Migrations of the rein-deer in North Siberia, 191. 



Mirage in New Holland, account of, 183. 



Mining operations, observations on, 1. 



Mohs, Sir Frederick, summary of the most important geognostical 

 phenomena with which it is necessary to be acquainted in pre- 

 liminary mining operations, 1. 



MoUusca, the marine, land, and river kinds of the Sechelles and Ami- 

 rantes Islands, examined by M. Dufo, 64. 



Morton, T. G., Professor of Anatomy at Philadelphia, comparative 

 view of the various aboriginal nations of North and South Ame- 

 rica, 111. 



Muscles, voluntary, their minute structure and movements, by W. 

 Bowman, Esq., 422. 



Necker, L. A., Professor, notes on some rare Scottish minerals, 75. 



Nicol, William, observations on Greenockite, 175. 



Newbold, Lieutenant, his account of the beryl mine of Paddioor in 

 Southern India, 241. 



Newfoundland, report on the geology of, 103, 



Olbers, death of, 166. 



Oils, perfumed, of Jasmine and Bela, how prepared, 198. 



Oyster-banks, Danish, account of, 22. 



Palsetiology, its relation to tradition, by W. Whewell, B.D., 258. 



Patents, list of, from 18th March to 18th June 1840, 201 . 



Patents, list of, from 25th June to 17th September 1840, 424. 



Perowskite, a new mineral species, described, 418. 



Pihlite, a new mineral, noticed, 187. 



Pilot fish, account of, 195. 



Polar lights, observations on, 179. 



Pyrrhite, a new mineral, described, 187. 



Races, dark, of mankind, observations on, by Dr R. M. Glover, 876. 



Railways, on the effects of the curvature of, 334. 



Rein-deer, migrations of, in Nortli Siberia, 191. 



Renoir, M., on the glaciers which anciently covered the southern side 

 of the mountain-group of the Vosges, 280. 



Sang, Edward, M.S. A., his account of circular towers, 245. 



Sang, Edward, M.S. A., on the effects of the curvature of railways, 334. 



Sars, M., of Floioe in Norway, his zoological labours, 188. 



Schouw, Professor, his work on the climate and vegetation of Italy, 

 noticed, 147. 



