460 Index. 



Royal Society of Edinburgh, proceedings of, 209, 430. » 



Safety-lamp, on the employment of, in Germany, by Professor 



Gustav Bischof, 378. 

 Sang-, Edward, Esq., on an erroneous deduction drawn by the late 



Captain Henry Kater, from his experiment on the flexure of 



thin bars, 321. 

 Scientific Intelligence, 215, 441. 



Seasons, observations on the progress of, by G. Barnston, Esq. 252. 

 Soil, frozen, of America, observations on, 110. 

 Solar radiation, observations on, made at Fort Franklin, in the 



years 1825, 1826, and 1827, by Dr Richardson, 240. 



. appendix to Dr Richardson's observations on, 419. 



Spitzbergen, glaciers of, described by Dr Martens, 160, 284. 

 Spring and river water, on, as connected with health and the 



arts, 307. 

 Stars, shooting, remarks on the present state of our knowledge 



relative to them, by Thomas Galloway, Esq. 386. 

 Stevenson, David, civil-engineer, his notice relative to Long's 



American frame-bridge, 297. 

 _______ Alan, LL.B., his notice of a new signal-light for rail- 

 ways, 347. 

 Sun-fish, account of, by John Goodsir, Esq. 188. 



Tea plantations of India, on the, 301. 



Terra del Fuego, observations on, 404. 



Thalassema and Echiurus, on the natural history and anatomy of, 

 by E. Forbes, Esq. and John Goodsir, Esq., 369. 



Toplis, John, B.D., on hydrostatic pressure, as a cause of earth- 

 quakes, 84. 



Traill, Dr, on the fossil fishes of Orkney, 215. 



Trigonometrical surveying and levelling, on, by William Gai- 

 braith, M.S.A., 326. 



Turkey, European, DrBoue's remarks on, 409. 



Vegetation, epochs of, by M. H. Berghaus, 182. 

 Volcanos, chemical theory of, considered by Gustav Bischof of 

 Bonn, 14. 



Wernerian Natural History Society, proceedings of, 211, 439. 



Whale-fishing in the Northern Seas, 451. 



Wilson, C. H. Esq., on the state of the arts i n Ital y, &c, 90* 



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