INDEX; 



Vauquelin, on a destructible green matter, the produce of a mi- 

 neral water, xix. 358 



■ — examination of the solanum pseudo quinia, xx. 181 



Vegetable nature, general views of, ii. 35. Developement of the 

 laws by which different tribes of vegetables are distributed 

 over the globe, ib. Effects of cold, heat, light, and air on 

 vegetation, 46. Important results produced by, 58 



' principle, outline of a classification of, iii. 189 



•* remedies, suggestions for preserving, v. 366. Alkalies, 



notice of, vi. 149. viii. 156, 378 



Vegetables, presence of alkali in, how detected, vi. 361 



-————- phosphoric acid, found in, viii. 382 



— — — growth of, prevented by using salt as a manure, x. 56 ; 

 and also rendered unfit for the habitation of worms or insects, 62 

 Noxious vegetables destroyed by salt, 70 



origin of, xi. 411 



on the existence of sulphur in, xiv. 234. Ultimate 



analysis of vegetable and animal substances, 388. The in* 



fluence of motion in the direction of, 450 



power of life in, xviii. 413. Action of poisons on, xx. 



191. See Plant. 

 Vegetation, influence of different altitudes upon, in different 



zones of the earth, x. 262. 



• effects of copper on, xii. 178 



— — in atmospheres of different densities, experiments 



on, XV. 388 

 • — table of, at different heights, xvii. 176 



Vegetations, metallic, x. 181 



Veins of metals, observations on the courses of, iv. 71. Opinions 



of Hutton and Werner on the theory of, 73 

 Velocity of sound, vii. 369 

 results of experiments for determining, xiv. 



433. xvii. 266. xviii. 162 



■ in Holland, xix. 108 



Ventilation of Covent-garden theatre, v. 300 



of houses and other buildings, observations on, xi. S29 



of rooms, xiii, 113 



