Index. 387 



Macadam, Stevenson, Mr, a letter from, to Professor Jameson, on 



M. Chatin's Observations on Iodine, 169. — On the General 



Distribution of Iodine, 315. 

 Macgillvray, Professor W. obituary of, 372. 

 Mantell, G. A., Esq., on the structure of the Iguanodon, and on 



the Fauna and Flora of the Wealden formation, 87. 

 Map of Switzerland, account of, by Sir R. I. Murchison, 375. 

 Matter, divisibility of, 348. 

 Maury, Lieutenant, on the clouds, and equatorial cloud -rings of the 



earth, 92. 

 Meteorites, account of, by Professor Shepard, 245. 

 Mountain Systems, remarks on, 374. 

 Murchison, Sir It. I., on the Cambrian and Silurian discussion, 102 ; 



new work on the Silurian system in progress, 379. 

 Muscle, its spiral structure, by Dr Martin Barry, 168. 



Patents, list of, granted for Scotland, 24th March to 18th June 

 1852, 184; from 22d June to 22d September 1852, 381. 



Playfair, Dr Lyon, on the contraction of cotton by alkalies — on pa- 

 rafine and mineral oil from coal — and on amorphous phos- 

 phorus, 160. 



Pterodactyles of the chalk formation noticed, 374. 



Rain, fall of, in India and Alexandria, 373. 

 Rocks, examination of, by means of the microscope, 373. 

 Rock Salt of India, its geological position, by Dr Andrew Fleming, 

 374. 



Salt Lake of Utah, observations on, 180-376. 



Scientific intelligence, 177, 372. 



Scott, Dr A. J., analysis of Indian ores of manganese, and of some 

 Scottish zeolites, by, 277. 



Sedgwick, Professor, on the Cambrian and Silurian discussion, 102, 

 114. 



Sharpe, Daniell, Esq., on the foliation and cleavage of rocks, 84. 



Shepard, Dr Charles Upham, on meteorites, 245 ; his Treatise on 

 Mineralogy recommended, 379. 



Smyth, Professor C. Piazzi, on the place of the poles of the atmo- 

 sphere, and the Reid theory of hurricanes, 330. 



