INDEX. 25 



Bidder (George), notice of, vii. 198. List of some of the ques* 

 tions proposed to him and of his replies, 34(?-349 



BiDONE (M.) , Hydraulic experiments of, on the propagation of 

 waves, xvi. 370, 371. 



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

 xviii. 165 



BioELOw (Dr.), on the use of the clavus or ergot of rye in medi- 

 cine, ii. 60. Notice of his experiments on this disease in rye, 

 61. Its effects on the human system, 62. First used as a 

 medicine in America, ibid. Notice of cases in which it was 

 exhibited, 63, 64. Observations on the ergot of wheat, 65, 

 Its efficacy in parturition, 6G. Abstract of his account of the 

 white mountains, 392-399 



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

 Lake Superior, xviii. 1-34, 22S-2G9 



Bile, effects of, on the process of indigestion, xiv. 341-344 



Biliary calculus of extraordinary size, account of, x. 86-88 



Bills of mortality, remarks on, v. 307, 308 



BioT (M.), experiment of on the polarization of light, iii. 174. 



observations of, relating to the operations undertaken to 



determine the figure of the earth, v. 340-351 



experiments of, to ascertain the phenomena of magnetic 



variation, vi. 96 



■■ memoir of, on the magnetism impressed on metals, by elec- 

 tricity in motion, xi. 281-290 



Birds, observation on the migration of, xviii. 138-142 



Births, number of, at Paris in 1818, ix. 213 



Bis hi hu-ivay or poisonous air of India, effects of, ix. 65, 66 



Bismuth, phenomena attending the process of the solution of, i. 29 



experiments on the triple tartrates of, vi. 158 



beneficial effects of the white oxide of, in a severe dis- 

 order of the stomach, viii. 295-298 



■ sulphuret of, and copper, chemical analysis of a, xii. 36-37 



■ sub-nitrate of, a remedy for ague, xiii. 233 



Bitumen, existence of, in minerals, xv. 389 

 crystallization of, xviii. 179 



