438 Index. 



Cole's Cave in Barbadoes described, by Dr John Davy, 355. 

 Connell, Arthur, Professor, analysis of the American mineral Ke* 

 malite, 387, 



Dana, J. D., on the origin of the constituent and adventitious mine- 

 rals of traps and allied rocks, 195, 263. 



Daubeny, Dr Charles, on the site of the ancient city of the Aurunci, 

 and the volcanic phenomena it exhibits ; with some remarks on 

 craters of elevation, and on the distinction between plutonic and 

 Tolcanic rocks, and on the theories of volcanic action which are 

 at present most in repute, 213, 



Davy, Dr John, his miscellaneous observations, chiefly chemical, 

 255 — On the cause of induration of some siliceous sandstones, 

 300 — Account of Cole's Cave in the Island of Barbadoes, 355, 



Earthquake in Tuscany, Marseilles, on 19th August 1846, 423. 



Eichwald, Dr E., on a gigantic stag, 425. 



Escher de la Linth, on glaciers in Switzerland, 344, 



Forbes, James, Professor, eleventh letter on glaciers by, 414. 



Fluoride of calcium, its solubility in water, considered by Dr Wil- 

 son, 205. 



Fleming, the Rev. John, on the recent Scottish madrepores, with 

 remarks on the climatic character of the extinct races, 203. 



Fish, the statics of, considered, 429. 



Frogs, new species of, found in Tertiary formations of Osnabruck, 

 424. 



Glaciers, observations on, in Switzerland, by M. Escher de la Linth, 



344 — observations on, by Prof. J. D. Forbes, 414. 

 Guiana, natives of, described by Sir R. Schomburgk, 361. 



Hearing apparatus in the moUusca considered, 430. 



Hogg, John, F.R.S., &c., on the classification of birds, and parti- 

 cularly of the genera of European birds, 50. 



Horner, Leonard, F.R.S., President of the Geological Society of 

 London, &c., his anniversary address, delivered at the meeting 

 of the Geological Society, 75, 303. 



