393 — INDEX. 
Education, Public, notice of a new work on 
eee F toide, on the question, whether Sa be two or one, 
—— Plate machute, description of a “a 108 
Electro-magnetic apparatus 
Electro-magnetic exper riments, n 
-pancesam with a single leaf, eae er 357 
mons, , localities of minerals, 254 
Engine Soils, employment of potatoes in, 193 
of, 378 
Engine, Steam, destription of Mr. Perkins’ new, 
, of the old si mateo Ne the peed of Mr. 
orem! new principles to, 116 
England and Wales , review of eins = the Geology of, 203 
Epicycloids, 97 
quinoxes, greeny of the, 328 
Etienne, St., plate: 
Euchlorine, ‘coutfoneaaion of, 355 
Eudiometry, Theory of the action of Nitrous Gas in, 338 
‘ F 
Facultés Numeriques, 285 [352 
Fase? Mr. on = condensation of several gases into 10 liquids, 
r Gre 
Fenn, Dr. H. N. localities of coal, gypsum and barytes, 56 
Ferrara, Abbe, oor eee in Sicily, 1 86 : 
Ferruginous Sand, 3 
> = "Geological Essay on the Tertiary Formations of Amer- 
Pini on the Celtic Antiquities of America, 149 
———— Introduction to Geology, 1 
Fires Chinese and tice a remarks on the composition and 
preparation of, 118 
Fire Jets,128 
Flora of the Northern and Middle States, 178 
Flour or Meal from leguminous fruits, 189 
Fluid new, the eer of crystals, 186 
Fluor S 
Foreign literature and ‘haan 188, 366 
Formic acid, artificial formation of, 197 
Fumigation, 188 
G 
Garnet Precious, 30 
