( 441 ) 

 INDEX. 



Alford, Aberdeenshire, on its temperature and rain, by Dr Farquhar- 

 son, 149. 



Ancaster in Upper Canada, weather of, 152. 



Antediluvial congelation, remarks on, by Dr Black, 38. 



Anthosiderite, a new mineral described, 432. 



Anthropology, comparative observations on, 432. 



Arrangement of minerals, founded upon physical and chemical cha- 

 racters, 174, 257. 



Artesian Well of Grenelle, notice of, by M. Walfordin, 140 ; by Sir 

 John Robison, 141. 



Artesian Wells, 426. 



Aurora Borealis, on noises from, 187. 



Barry, Martin, M.D., researches on embryology, 195. 



Bidder, Dr, of Dorpat, on the origin, structure, and life of the human 

 hair, 165. 



Black, J., M.D., F.G.S., on antediluvian congelation, 38. 



Blumenbach, Professor, memoir of his life and writings, concluded 

 from vol. XXX. 1. 



Bohtlink, M. W., on the traces left by the last great revolution in 

 Scandinavia, 253. 



Boussingault, M., on the air found in the pores of snow, 125. 



Bowman, J. E., F.L.S., on fossil trees on the line of the Bolton rail- 

 way at Dixon Fold, near Manchester, 154. 



Braconnot on organic matter in primitive rocks, 122. 



Brongniart on the conversion of the felspar of primitive rocks into 

 porcelain clay, 123. 



Buch, Leopold von, sketch of his geological investigations and writ- 

 ings, by Professor Hoffmann of Berlin, 205. 



Building materials used in the United States of North America, 

 described by D. Stevenson, Esq., civil engineer, 12. 



Connell, A. Professor, on the chemical constitution of sillimanite, 

 232. 



Copper-slate contains vanadium, 432. 



Craigie, Wm., Esq., surgeon, his meteorological observations made 



at Ancaster in Upper Canada, 152. 

 Dalmatia, coast of, its sinking, noticed by M. Kloden, 191. 

 Dew-drop, account of, by Rev. Wm. Scoresby, 50. 

 Diamond, its geognostical situation in the Brazils, 428. 



