48R INDEX. 



JErrors in longitude, on the correction of, 396, 397. 

 Evaporation of spirits, experiments on, 187. 



Faraday (Mr. M.) evidence of, with remarks, in the cause of 



Severn and Co., against the Imperial Insurance Company, 



340-343, 350-351 — on the vapour of mercury at common 



temperatures, 354, 355. 

 Fe7To-/jrwssm^es, observations on, 179, 180. 

 Feuillea cordifolia, a remedy for vegetable poisons, 192. 

 Figure of the heavenly bodies, observations on the apparent 



changes in, 9-25. 

 Fisher (George), on errors in longitude, 396-397. 

 Fixed Stars, corrections, in right ascension, of thirty-six, for 



every day in the year, 427-444. 

 Flower, luminous appearance produced by, 469. 

 Fluoric Acid found in mica, 196. 

 Forshhammer (Dr.) experiments of, on the chamseleon mineral, 



175-179. 

 Fourcroy, theory of, concerning the principle of aroma, 110. 

 Frediani (Cavalier) letters of, to Canova, describing his travels in 



Africa and the East, 364-378. 

 Fruit-trees, beneficial effects of salt in making them productive, 



61-63, and in rendering them unfit for the habitation of worms 



or insects, 63-68 — ripening of wall-fruit, how facilitated, 448 



— to protect fruit from wasps, 448. 

 Fulminating mercury, explosion of, 182 

 Fungi, which tinge snow red, experiments on, 395. 



Garden, Mr. (Alexander) evidence of, in the cause of Severn and 

 Co. against the Imperial Insurance Company, 348. 



Gardening, historical sketch of the progress of in ancient and 

 modern times, 52-54 — its influence on society, 5b. 



Gas illumination, improvement in, 464, 465. 



Gas tubes, lined with lead, benefit of, 170. 



Gelatine, new test for, 454. 



Gems, (artificial) new mode of preparing, 184-186. 



Geography of plants, defined, 239 — Strictures on Baron Hum- 

 boldt's works on this subject, 240-267. 



Geological maps and works, notice of, 206. 



Geology, miscellaneous intelligence in, 196-200. 



Gilbert, (D. esq.) observations of, on the properties of the catena- 

 rian curve, with reference to bridges by suspension, 230-235. 



Glasgow, population of, 202, 203. 



Globe, (terrestrial) in relief, notice of, 450. 



Gold, action of acids on the oxide of, 118 — of salts on the 

 chloride of, llS—of soluble and insoluble salifiable bases on 

 the chloride of, 119— on the iodide of gold, 121, 122 — con- 

 clusions of M. Pelletier relative to this metal, 123. 



