390 Index. 



Copper of the Lake Superior region, 192. 



Gumming, the Rev. J. G., his Account of the Isle of Man noticed, 



280. 

 Currents in the Gut of Gibraltar, 374. 



Davy, John, M.D., his remarks on the claims to the discovery of 

 the composition of water, 42 ; his Lectures on Chemistry no- 

 ticed, 200 ; his observations on carbonate of lime as an ingre- 

 dient in sea-water, 220. 



D'Archiac's Histoire des Progress de la Geologie, de 1834-45, 200. 



Dead Sea, its bouyancy, observations on, 373. 



Dodo arranged with the Grallsc, 194. 



Emery formation of Asia Minor, 375. 



Favre, Professor, on the geology of the German Tyrol, and the ori- 

 gin of dolomite, 78. 

 Fire-ball at Bombay, account of, 370. 

 Fire-eaters and conjurors, their tricks explained, 384. 

 Fishes, spawning beds of, how prepared, 196. 

 Fleming, Professor John, on a simple form of a rain-gauge, 182. 

 Flowers, distribution of, in a garden, 196. 

 Fossil foot-marks of the United States, 374. 

 Fossil foot-marks of a reptilian quadruped below coal, 375. 



Geological Map of France, by MM. Dufrenoy and Elie de Beaumont, 



noticed, 200. 

 Geological changes from alteration of the earth's axis of rotation, 98. 

 Glaciers, their downward progress, by Ed. CoUomb, 104. 

 Glass, plate, analysis of, by Messrs J. E. Mayer and J. S. Brazier, 



316. 

 Guyot, Professor, his Comparative Physical Geography recommended, 



350. 



Heat, movement of, in terrestrial strata of different geological na- 

 tures, by M. Dove, 193. 

 Herschel, Sir J. F. W., on comets, 248. 

 Himalaya snow-line, account of, 224. 

 Hippopotamus, new species, from Western Africa. 384. 



Ice, its dilatation, by increase of temperature, 373. 

 Indo-European languages, observations on, 293. 

 Infusoria, oceanic, living and fossil, account of, 261. 



