418 



INDEX. 



Atmospherical Refraction, historical sketch of the various solutions 



of the problem of, 347-378 

 Aurora Borealis, results of observations on, 185 

 Avignon, wines of, 127, 128 



Banquets of the ancients, notice of, 124 



^ecywereZ (M.,) researches of, on the electrical effects observed 

 during chemical action, 169-171. And on the distribution of 

 electricity in the Voltaic pile, 171, 172, Experiments of, on 

 the electromotive action of water on metals, 380. On the elec- 

 trical actions produced by the contact of flames and metals, 381. 

 And on the electrical phenomena accompanying combustion, 382. 



Belladonna, active principle of, how destroyed, 400 



Bsrthier (M.,) experiments of, on the nature of scales of iron when 

 heated, 387. On the reduction of the oxide of iron, by ce- 

 mentation, 388, 389 



Berzelius (Professor,) remarks of, on fluoric acid, 156. And on the 

 best mode of procuring siUcium and zirconium, ibid, 157. On 

 the preparation of lithia, 396 



Biela (M. de,) observation of, on the phenomena of comets, 165 



Bigsby (Dr. J. J.,) notes by, on the geography and geology of 

 Lake Superior, 1-34, 228-269 



Birds, observations on the migration of, 138-142 



Bitumen, crystallization of, 179 



Blackburn (E. esq.,) on a method of finding the latitude at sea, 

 by the altitudes of two fixed stars when on the same vertical, 

 99-110 



Bleaching Powder, experiments for ascertaining the strength of, 

 182-185 



Blue Colours, action of alum on, 396 *^ 



Boilmg Points of saturated solutions, 89-91 



Bollaert (Mr. W.,) experiments by, on the oil of mace, 317-319 



Booth (Dr. John,) analysis of his observations on hydrophobia, 

 with remarks, 111-114. His plan of treating this disease, 

 115-117 



Boron, how prepared, 396 



Bostock (Dr. John,) experiments of, on evaporation, 312-317, 

 Remarks on a passage in his work on physiology, 290, 291 



Box-Sextant, use of the pocket, to travellers, 50-60 



Boyce's (G. P.,) remarks on the different systems of warming and 

 ventilating buildings, analysis of, with observations, 334-338 



Brain (human,) internal structure of, compared with that of fishes, 

 insects, and worms, 136-138 



Brande (Prof. VV. T.,) plan of a course of lectures by, on che- 

 mistry, 199, 200. Facts by, towards the chemical history of 

 mercury, 291-297 



Brcant (M.,) exparimsuts of, on the preparation of damased 

 steel, 386, 387 



Breithaupt (I\I,,) analysis of eslanite by, 408 



