INDE X. 
Adie, Richard, Esq., on the influence of hilly ground in checking 
currents of wind, 94. 
Richard, Esq., on the generation of electrical currents, 84. 
Africa, expedition to the centre of, by Messrs Richardson, Barth, 
Overweg, and Vogel, 183. 
Age of our planet, 182. 
Agassiz, M. L., on the natural provinces of the animal world, and 
their relation to the different types of man, 347. 
M. L., on the primitive diversity of animals, and num- 
ber in geological times, 271. 
M. L., on the Californian fishes, 214. 
Agriculture, new theories in, noticed, 167. 
Animals, primitive diversity of, and number in geological times, 271. 
Artesian well at Charleston noticed, 178. 
Beaumont, M. Elie de, letter from, in regard to Professor Jame- 
son, 48. 
Bitumen, origin of, in the stratified rocks, 368. 
Blainville, Marie-Henri Ducrotay, biographical notice of, 193. 
Blasting operations, new method, noticed, 180. 
Botany, 182. 
Bonn University, letter from, in regard to Professor Jameson, 48. 
Botany of the eastern borders, with the Eepsier 7 names and uses of 
plants, &c., 320. 
Brodie, A. Oswald, on the preservation of the properties. of wil 
376. 
Cathcart, Earl, letter from, in regard to the late Professor Jame- 
son, 44. 
Coal, description of, by Professor Harkness, 66. 
Cocoons, new method of procuring the coloured silk from, 377. 
Collections in University museum noticed, 40. 
Corbet, Richard, on the explosion of a meteor, 152. 
Crystallization, researches on, 365. 
Cypress Forests, age of, 373. 
Dana, James D,, on a change of ocean temperature that would 
