INDEX. 



Address delivered by Sir John Herschel, Bart, on presenting the 



Honorary Medal of the Royal Astronomical Society, to William 



Lassell, Esq., of Liverpool, 250. 

 Agassiz, Professor, his Life and Writings, 1. 

 Air-Punip in England, its early history, 330. 

 Albanians, account of, by Henry Skene, Esq., 319. 

 Alps, their geological structure, as ascertained by Sir R. I. Mur- 



chison, 280. 

 Ampo, an earthy substance, eaten at Samarang and Java, account 



of, 376. 



Balfour, Professor, his notice of plants which have recently flowered 

 in the Royal Botanic Garden, 367 ♦ 



Bengal, its timber-trees described, by Captain Munro, F.L.S., 84. 



Birds of Ireland, their physical and geographical distribution con- 

 sidered, by William Thompson, Esq., 276. 



Bug, bed, on mode of destroying, 386. 



Burat, Amedee, on the variations of certain metalliferous reposi- 

 tories in depths, 227. — On the relations of trap-rocks with 

 the ores of copper and iron, and the similarity of the Schal- 

 stein of Dillenburg, the Blatterstein of the Harz, and the Gab- 

 bro of Tuscany, 298. 



Carboniferous period, as compared with that of the present day, by 



Dr Hooker, 73. 

 Chambers, Robert, F.R.S.E., his Geological Notes on the Valleys of 



the Rhine and Rhone, 149. — On ancient Sea-Margins, 205. 

 Chloroform, its action on plants, by Prol'essor Marcet of Geneva, 



293. — Its effects on man and the lower animals, 385. 

 Coal, its mode of formation considered, by J. Nicol, F.G.L., 174.— 



Brown coal-formation, observations on, 378. 

 Coke, a peculiar property of, by Mr J. Nasmyth, 187. 

 Colonisation, vegetable, of the British Islands, Shetland, Feroe, and 



Iceland, by M. Martins, 40. 

 Colours, irised, on minerals, account of, by M. Hausmann, 183. 

 Cretinism and goitre, cause of it, 181. 

 Dana, J. D., observations on ancient sea-margins, 205. 



