1^ 



.jjj\ 



40* INDEX. 



Powell, Professor, his remarks on the nature of the evidence in sup- 

 port of a theory of light, 275. 

 Power, on the application of electro-magnetic, to mechanics, 151. 



Railway, observations on the Liverpool and Manchester, 322. 

 Redfield, W. C, his observations on the hurricanes and storms of 



the West Indies and the coast of the United States, 20. 

 Remains, organic, hitherto discovered in North America, 28. 

 Robison, John, Esq. his description and drawings of an improved 



method of making screw-taps and dies, 317. 

 Royal Society of Edinburgh, proceedings of, 189, 3^3. 



Salmonid8e,observations upon the, 46. 



Saurian bones, on the discovery of, in the magnesian conglomerate 

 near Bristol, 362. 



Serres, M. Marcel de, his memoir on the inquiry, whether any ter- 

 restrial animals have ceased to exist since man's creation, &c. 

 69. 



Snow blindness, account of, 361. 



Stevenson, David, Esq., his observations on the Liverpool and Man- 

 chester railway, 322. 



Storms, observations on the hurricanes and, of the West Indies, 

 &c. 20. 



Strontites, carbonate of, discovered in the United States, 368. 



Taps, screw, on an improved method of making, 317. 



Teredo navalis and Lininoria terebrans, on the, as at present exist- 

 ing in certain localities on the coasts of the British Isles, 121. 



Thompson, William, Esq. on the Teredo navalis and Lininoria tere- 

 brans, as at present existing in certain localities on the coasts 

 of the British Islands, 121. 



Trevelyan, W. C, on the vegetation and temperature of the Fai'oe 

 Islands, 154. 



Trinidad, on the pitch-lake of, 331. 



Uralian Mountains, platina and gold of the, 366. 



Vegetable organization, on the rapidity of, 375. 

 Vegetables, fossil, on the history of, 81. 



Walker, Mr R., his analysis of coprolites, 164 ; of Craigleith fossil 



tree, 363. 

 Wai'die, analysis of a coprolite fi-oni, 164. 

 Water, remarks on the subterranean course of, 246. 

 Wells, artesian, 206. 



Wernerian Natural History Society, proceedings of, 199, 394. 

 Wight, Dr Robert, his Prodromus Florae Peninsulas Indiae Orien- 



talis, 158. 

 Wollaston medal, 364. 



Wood, how to make eatable food from, 377. 

 Woods, fossil, described by William Nicol, 335. y^^v: 



