376 Index, 



Sea, connection between tides and alluvial deposits, 359. 

 Sedgwick, Professor, on the classification and nomenclature of the 



older pala30zoic rocks of Great Britain, 303. 

 Serpentine, its pseudomorphic nature, 360. 

 Shortening of voyages between the New and Old Worlds, 364. 

 Silurian system, 355. 



Silliman, Professor, jun., on the Grotto del Cane, 141. 

 Singing birds and sweet flowers in Jamaica, by G. H. Gosse, 



31, 268. 

 Smyth, Professor Piazzi, meteorological and astronomical notices, 



170. 

 Sounds, remarks on nocturnal forest sounds, by P. H. Gosse, 187. 

 Standard thermometers, observations on, 177. 

 Sulphur lake of the Campagna, near Tivoli, 142. 



Temperature of the sea, observations on, made during the voyage of 



H.M.S. Rattlesnake, by Joseph Dayman, R.N., 267. 

 Tertiary formations of Germany, by F. Sandberger, 182. 

 Thermal waters in Western Asia Minor, 360. 

 Tourmaline, its different kinds, 361. 



Ultramarine, artificial, its manufacture, by J. B. Guimet's process, 

 183. 



Vesuvius, present state of, 144. 



Volcanoes in the Bay of Bengal, by Dr Buist, of Bombay, 339. 



Water-spout of great magnitude, noticed, 358. 



Whewell, Dr William, Master of Trinity, lecture on the general 



bearing of the Great Exhjbi^j^tj^jpiqrelation to the progress of 



science and art, 1. 



EDINBURGH : 

 NEILL AND COMPANY, PRTNTE119, OLD FISIIMARKET. 



