INDEX. 
m 
Levy, M. on the determination of certain secondary faces in crystals, £27- 
Lievrite, analysis of, 392. 
Lightning, on a singular effect of, 379* 
account of the, 243. 
Link, Professor, on the ancient history of leguminous fruits, 122, 256. 
Lithion, new method of preparing it, 12. 
Lithographic paper, 192. 
Loango, observations on, 62, 213. 
Luminosity of the sea, I96. 
' M 
Macbeath, Mr D. on a new string alphabet for the use of the blind, 195. 
Mackenzie, Sir G. on a remarkable aurora borealis, 381. 
Magnetism, its effect on chronometers, 178, 238. 
of red-hot iron, discoveries respecting it by Mr Barlow, S60. 
Mandell, Rev. W. on an improved method of obtaining potassium, 375. 
Maxwell, Mr, on Congo and Loango, 62, 213. 
Map of the country between the Erawadi and Khiaendusen Rivers de- 
scribed 107. — ditto by a Slave to the heir-apparent of Ava, 270. 
Mechanical inventions, history of, 290. 
Meionite, analysis of, 392. 
Mercati, Count, on the earthquake in Zante, 19. 
Meteor of November 21. 1819 described, 380. 
Meteoric fire in a marsh, 381. — meteoric stones at Juvinas, 384-.-— in 
Courland, ib. — ditto, analysis of, S89. — meteoric stones, analysis of, 
ib.- — meteoric iron, analysis of, ib. 
Meteorological observations made in North America, 349. — -made at 
Alderley, 382. 
Milne, Mr Robert, on a new string alphabet for the use of the blind, 
195. 
Moll, Professor, on electro-magnetism, 83, 220. — on the Dutch Troy 
pound, 400. 
Mountains in Owhyee and Mowee, their height, 193. 
Moussa, burgh of, described, 251. 
Murray, Mr John, on camphor, 181. — on a liquid from the crater of 
Vesuvius, ib.— on a new safety lamp, 292. — On a new sethrioscope, 
356. — on the combination of the earths with platinum, 385. 
N 
Napier, Hon. Capt. on water-spouts, 95. 
Needle, on the variation and dip of the, as determined by Kotzebue, I69. 
Nepatd, Dr Wallich’s journey in, 86. 
Nepheline, analysis of, 13. 
O 
Ocean, on the temperature of, at different depths, I6I. 
Okes, Mr J. on the enlargement of the ureters, 375. 
Orange-tree of St Michael’s, productiveness of, 397- 
Ornithorhyncus, on the species of, 185. 
Oxford, meteorological observations made at, 359* 
P 
Paper, lithographic, I92. 
Patents, Scottish, list of, I96, 403. 
