INDEX. 21 



vent tlie attacks of musquitoes, 287. Their jealous care of the 

 pepper-jjlants, 28S 



Batavian Society's Transactions, analysis of, ii. 326. Institution 

 and objects of tlie Society, 327. Notice of its earlier volumes, 

 328. Contents of the 7th volume, 329. The fable of the 

 oopas-tree exploded, 331, 332. Account of the Antshar or 

 real poison-tree of Java, and the mode of preparing the poison, 

 332-335. Results of experiments with the poison, 33G-33a 



Bateau roulant^ experiments with, x. 449, 450 



Batli, notice of a proposed scientific institution at, viii. 190, 191 



waters, remarks on the neglect of, in the cure of disease, 



xiii. 28-35 



Baths of Mont d'Or, phenomena of, explained, iii. 174 



Bats, observations on, ix. 217 



Battery, new electrical, notice of, viii. 384 



Baudin (M.), geographical discoveries of, stated, ii. 383-385 



Bauer's (Mr.), publication of Strelitzia, notice of, v. 152 



— - — microscopical observations of, on the red snow, vii, 222- 



229. X. 395, 396 

 on the suspension of the muscular motions of the 



vibrio tritici, xvi. 326 

 Baup (M.), memoir of, on the preparation of the sulphates of 



cinchonia and quinia, xix. 161, 162 

 Beans, diseased, proposed remedy for, ii. 180 



of St. Ignatius, analysis of, vii. 379 



recent vegetation of ancient, xx. 189 



Beavan (B. Esq.), notice of the observations of, on the heights of 

 places in the trigonometrical survey of Great Britain, xvi. 330 



Beavers, the habits of, notice of, xx. 188 



Becquerel (M.), account by, of the electrical effects produced at 

 the moment of the combination of the metals and alkalies, with 

 the acids, xvii. 136-138. On the electro-motive actions produced 

 by the contact of metals with liquids, 374, 375. His test of the 

 alteration of solutions by contact with air, 379 



on the electrical effects "observed during chemical 



action, xviii. 169-171. And on the distribution of electricity 



