INDEX TO VOL, VII. 
ei ise 
Adams, Prof. J. on the Construction of the Thermometer, 121 
locality of Amethyst, 199 
Air-Pamp, New, by J. H. Patten, 143—Prof. Dana’s comarks on 
the same, 275 
Akerly, Dr. S, on the Language of Signs, 348 
Aieabal, souhted with Oil of Turpentine, 390 
Algebraical Series of Prof. Wallace, 131 
Alum of Sicily, 210 
Amethyst, localities of, 199, 229 
Analysis of some Chrysoberyls, 105 
——— Sillimanite, 113 ene 
Siliceous pine, a ESOppe 118 
Hydrate 
A Rg oer 
— Lead Mine, 247 
es des Sciences Naturales, 387 
Mihives Génerales de Médecine, 388 
Asclépiade L’, 388 oe 
Ashes, Pot and Pearl, 304 $ 
ugite, 88 
Aurora Borealis i in Faroe and Shetland, 392 
eee 
{cate 
ae 
aye 
Batteries, Voltaic, of Prof. De maine 271 
Bery — seis of the, 
30 aoe : 
Biographical Notice of Hatiy, 362 is 
Blue, Prussian, 380 
‘ Boston F orts, 338 
Bowen, G. T. on the the Colour of the Purple Cabbage, 112 
——~--—--— description and analysis of the Sillimanite, 113 
Copper from New-Jersey, it ees 
notice of Localities of Spodumene, 113 
Ale x. sur les Caracteres Zoologi ues des r ormations, 
13 . 
Bruce, Dr. notice of ay Malleable Iron of peer 219 
Vor. Vill, No 51 
