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 a Centauri, and the absolute size of the 

 fixed stars, 297- 



Soils, analysis of, 366. 



Stereoscope, chi-omatic, 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 woi'd "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 watei'S, 345. 



END OF VOLUME FOKTV-EIGI 



Trintcd by Xeill and CoMrANi, Old Fishmarkct, Edin 



