CONTENTS. 
: Page 
Edinburgh society of arts—Liberality of the king of Den- 
mark—The root of the Plants a fe palaee rare of 
the Low Countries 344 
Death of Volney—New aikailes Bubb spirit of Cou Ro- 
manzow—New hydraulic machine—Egyptian society 345 
Progress of lithography in Russia—Liberality of the Swedish 
iron masters—The ex-king of Norway—Lithography in 
Paris—lIron vessel on the Cly rde—Letters and Journals in 
Paris and London—Literature of ttaly - - 346 
Artificial gum and sugar—Cashmeer goat—Drawing in per- 
spective—Fine arts in Paris—Canal of Alexandria—Steam 
boat on the Baltic—Population of Sweden - 347 
Transparent pictures—Oil in grape seed—Instruction of Af 
rica—University of Corfu—Lithographic portraits of dis- 
tinguished French persons - - - 348 
Metallic vegetation—Boracic acid, native - - 349, 
New method of preparing the purple of Cassius—Fulminating 
gold—new alkali—Compounds of mercury - - 350 
Lignite near Paris—Dr. Donbonyis opinion on the district of 
Auvergne, &c. 351 
Geology of Senitend= Death o M. F. St. Fond—New 
mineralogical dictionary -——- - - 352 
Geological society of London—Origin of amber - 353 
Geological Map and Atlas of feet, éc.—Conite—Eme- 
rald mines - - > 354 
Obituary notice of Dr. ie - 355 
Red snow of Baftin’s Bay—Breccia of ‘Mont Dor - 356 
Poisons—New mode of grafting trees—Phosphoric acid in 
plants—Rectification of alcohol : - - 358 
Hydrophobia—Thermometer—new geometrical work 359 
Latent heat of vapours—Boiling point of liquids - 361 
Chlorine theory—Specific gravity of the gases - 362 
Tode in sponges—Aurum Millium, a new metal—Systema al- 
garum - - - - - - 363 
Astronomical Society of London - - - 364 
Gas lights and other improvements in Glasgow - 368 
Columbian and other presses—Proceedings of the New-York 
Lyceum - - - - -- - 366 
American Geological Society - - - 372 
Pharmaceutical preparations—Sulphate of barytes - ° 373 
Carbonat of barytes—Comet of 1819—Oxid of manganese 
~ and chromat of iron - - - 3874 
Cylinders of snow—Cleaveland’s Mineralocy—Sulphate of 
magnesia—Hudson association - : = 379 
F luoric acid in mica—Remark ~ = - 376 
