406 Index. 
Ehrenberg, Professor, on beds of living infusoria in beds around Ber- 
lin, 153. 
Electrical lights on bayonets, &c., 196. 
Erratic blocks, observations on, 74. 
Erichson, Dr W. P., on the classification of invertebrate animals, 278. 
Freiberg, reminiscences of, by Professor Henry Steffens, 337. 
Forbes, James, Professor, on the structure of glacier ice, 84—his ob- 
servations on Dr Scoresby’s paper on dew-drop, 391. 
Furrows and scratches on rocks, as observed in Finland, 103. 
Fyfe, And., M.D., &c. on the use of chlorine as an indication of the 
illuminating power of coal-gas, and on the comparative expense 
of light derived from different sources, 221, 
Geological investigations and writings of Baron Alexander von Hum- 
boldt, by Professor Hoffman, 205. 
Glaciers, observations on, 84, 74. 
Goodsir, H. D. 8. on new species of pyenogonide, 136. 
Graham, Professor, on new or rare plants, 401. 
Graphite—is it the metal of carbon? 152. 
Greenock, Lord, Lieutenant-General, his translation of Kovanko’s 
view of the environs of Pekin, 242. 
Hausmann, Professor, on graphite, 152. 
Humboldt, Baron, account of his geological investigations and writ- 
ings, 205. 
Jerusalem, observations on its general topography and climate, 13. 
Infusoria, observations on, by Ehrenberg, 153. 
Invertebrate animals, the classification of, by Dr W. P. Erichson, 278. 
Italian scientific association held at Florence in September 1641, 
account of, 189. 
Jungfrau mountain, account of the ascent of, on August 28, 1841, by 
M. Desor, 291-337. 
Kilda, St., island of, described by John Macgillivray, Esq. 47. 
additional notice of St Kilda, by James Wilson, Esq., 
F.R.S.E., 178. 
Liebig, Professor, on Albumen, &c., 175. 
Light, on the visibility of it in rapid motion, by Alan Stevenson, 
Esq., civil engineer, 270. 
Macgillivray, John, his account of the island of St Kilda, 47. 
Malte-Brun, the geographer, account of, 351. 
Marcel de Serres on the discovery of a complete skeleton of the me- 
taxytherium, 173. 
- Marcet, Professor, on the temperature of the lower strata of the 
atmosphere, 34. ’ 
