n^e- 



fc- 



^4) Index. 



Roscoe, William, Esq. memoir of, by Dr Traill, 193 



Scientific Intelligence, 177, 368 



Scoresby, Rev. William, his observations and experiments on the uni- 

 form permeability of all known substances to the magnetic in* 

 fluence, and the application of the fact to engineering and mining, 

 for the determination of the thickness of solid substances not 

 otherwise measurable, 97 — Exposition of some of the laws and 

 phenomena of magnetic induction, with original illustrative expe- 

 riments, ^57 



Sierra Leone, first view of, 177 



Silver of Russia, notice of, 189 



Sommerville, Mrs, on the permanence of the Earth's axis of rotation, 

 376 



Sounds, subterraneous and ominous, noticed, 374 



Stanley, Edward, on the vitality of toads, 228 



Sugai', vapour, described, 368 



Toads, on the vitality of such as are enclosed in stone and wood, by 

 Professor Buckland, 26 — On the same subject, by E. Stanley, 228 



Toads, fossil, 376 



Tornado, African, description of, 178 



Traill, T. S., Dr, his account of the Russian vapour- bath, 14 — His me- 

 moir of William Roscoe, Esq., 193 



Treviranus, Dr, on the fundamental types of organization, 75 



Vapour-bathj Russian, account of, 14! 



Wagner, Dr, his observations upon the structure and development of 



the Infusoria, 245 

 Watson, Hewett, his observations on the physical distribution of plants 



in north of Scotland, 357 

 Wild animals of the Illinois country, in North America, 181 

 Wilson, James, his account of the introduction of the wood-grouse or 



capercailzie, the Tetrao Urogallus, to the Forest of Braemar, 



160 

 Wines, grease of, noticed, 369 



