\ 
ad 
380 Index. 
1849, 189,—from 20th December 1849 to 20th March 1850, 
370. 
Pickering, Charles, M.D., enumeration of the Races of Man by, 266. 
Platina found in California, 185. 
Playfair, Professor, his conjecture in regard to the rising of the land 
in Scandinavia, remarks on, 351. 
Rain, fall of, in the lake and mountain districts of Cumberland and 
Westmoreland, in the year 1848, 181. 
Schenck and Ghemar, their explanation of an invention in litho- 
graphy, made by them in August 1849, 147. 
Scientific intelligence, 181, 357. 
Scoresby, W., D.D., F.R.S., &c., on columnar crystallization of 
ground-ice, 1, 
Shepherd, C. N., Professor, his notice of American minerals, 184. 
Sinai, Peninsula of, geography and geology of, 193. 
Smyth, Professor Piazzi, on @ Centauri, and the absolute size of the 
fixed stars, 297. 
Soils, analysis of, 366. 
Stereoscope, chromatic, notice of, by Sir David Brewster, 150. _ 
Stevenson, Thomas, Civil Engineer, F.R.S.E., his description of 
harbour screw-cramps, 41. 
Studer, Professor, on the geological signification of the word ‘“ Flysch,”’ 
146. 
Tamil system of natural history noticed, 369. 
Trap-rocks, on the decomposition of, by M. Ebelmen, 186. 
Vegetables, fossil, their different states considered, 99—Periods of 
vegetation, 320. 
Voelcker, Dr A., his analysis of the anthracite or glance-coal of the 
Calton Hill, Edinburgh, 333. 
Water-spout on Bredon Hill, North Gloucestershire, account of, 181. 
Wilson, Dr George, F.R.S.E., on the possible derivation of the 
diamond from anthracite and graphite, 337—On the presence 
of fluorine in different ocean waters, 345. 
END OF VOLUME FORTY-EIG 
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