406 INDEX. 



Earthquakes, notices of, in South America, 355. — At Trinidad 

 and in Lower Canada, 356. — AtKutch, in the East Indies, 356. 



jFc/jpc of Sept. 7, 1820, calculations concerning, 94. 



Electricity, (Human), extraordinary account of, 180. 



Engrafting of trees, process for, 154. 



Erithric Acid, directions for preparing, 373. 



Euclase, analysis of, 171, 172. 



Extracts, method of preparing, by evaporation in vacuo, 360. 



Faraday, (Mr.), on the decomposition of chloride of silver by 



hydrogen and by zinc, 374, 375. 

 Faujas St. Fond, notice of the death of, 196, 

 Figure of the earth, observations on, 108-114. 

 Fire Damp, explosion from, 382. 

 Fly in turnips, remedy for, 153. 



Foitus, extraordinary animal, an account of, 185, 186. 

 Fortifications, (Indian) vestiges of, in North America described, 



224-232. 

 Fossil Animal Remains in France, notice of, 351. 

 Fossil Elephant found in Siberia, described, 95-108. 

 Fossil Wood, stratum of, described, 352-323. 

 French, early settlements of, in North America, 226. 

 Fulminating gold, to prepare, 386. 

 Fusinicri, (Signor), researches on the colours acquired by 



metal swhen heated, 362-366. 



G. 



Galvanism, observations on the agency of, 72-87, 



Gas, on the preparation of, from oil, 120-124. 



Gas-lamp, (portable) described, 233, 234. 



Gay-Lussac, (M.) on the analysis of the water of the Dead Sea, 



164. — And of the water of the river Jordan, 165. 

 Gerinany, progress of astronomy in, for 1818, 84-95. — Numbers 



of students in the Universities of, 188, 189. 

 Glass, brittleness of, to prevent, 383. 

 Grecian University, notice of, 393. 

 Guaiacum, on the action of gluten on, 376, 377. 

 Guayana, (Spanish), Journal of an excursion from Angostura to 



the Missions of, 260-287, 



H, 



Henry, (Mr, W.) Tribute to the Memory of, 1. — His birth and 

 education, 1-2. — Settles in the medical profession, 3, 4. — 



