336 INDEX. 
Iron , the cause of the red colour of the blood, 194. 
Lake , remarkable appearance of one after a storm, 173. 
Morat, account of a reddish substance observed on its surface, 
189. 
Land and water, notice respecting their distribution on the globe, 360. 
Leather, account of a strong kind of it for harness, 195. 
Lecheguana wasp, M. de St Hilaire’s account of a case of poisoning 
caused by its honey, 91. 
Ledum palustre and Papaver nudicaule discovered in Ireland, 181. 
Level of the sea, remarks on its constancy, with particular reference 
to the Baltic, 77* 
Levy, A. Esq. his description of Euclase, 129. 
M. Esq. his account of the modes of notation of Weiss, Mohs 
and Haiiy, 132, 258. 
Light evolved during crystallization, 169. 
emitted during the friction of crystals, 170 . 
— notice regarding its magnetizing power, 357- 
Lithia in spring water, 172. 
Luminous appearance in mines, 178. 
Magnetic variation. Captain Franklin’s observations at Spitzbergen 
for determining it, 56. 
variations, table of. 111. 
Mahogany, mode of imitating, 200. 
Marble and granite, their comparative durability, 177* 
Megalosaurus of Stonesfield, 303. 
Melaina, account of it, 376. 
Meleda, notice regarding explosions heard at, 175. 
Meteor, account of a luminous, 359. 
Meteoric stone, notice of one which fell in Maryland, 173. 
Meteorological observations made at Leith, for September, October, 
November, 151. — for December, January and February, 346. 
journal kept at Leith, annual results of one, 350. 
register kept at Kinfaun’s Castle, annual results deduced 
from one, 358. 
Meteorology, notices in, 173, 357* 
Mineralogy , notices in, 1 73, 360. 
- — Professor Mohs’s general reflections on various important 
subjects in, 18, 284. 
Mines, rhizomorphous plants growing in, 178. 
Mohs, Professor, his reflections on various important subjects in mi- 
neralogy, 18, 284. 
Murray, John, Esq. his remarks on the unequal distribution of calo- 
ric in voltaic action, 57* — on the temperature of the skin in the 
dormouse, 57* — on the temperature of the egg of the hen, 57- — 
on the cultivation of the silk Worm, 198. 
Natural philosophy, notices in, 357- 
Nerves, canals said to exist in their filaments, 194. 
Nicol, William, Esq. his account of the occurrence of zircon in the 
island of Scalpay, 138. 
