I N D E X. 



Blind restored to sight, 99 



Blumcnbach, Professor, on Albinoes, 82 



Bonpland, M. 116 



Bouillay, see Vauquelin 



Bradley, Dr on the undulatory Telo- 

 city of light, 144 



Brougham, Mr. on coloured concentric 

 ring-; between object glasses, 195 



Buch, M. Von, 318 



Bucholz on the analysis of slate, 380 



Butter-tree of the East Indies, a bota- 

 nical and economical account of, 

 372 



Buzzi, M. onAlbinoes, 82 



C. 



Cader Idris, a mountain in Wales, for- 

 merly a volcano, 237 

 Cadet, C A. on a property of cam- 

 phorated water, 26— —On mineral 

 acids, 64 



Calomel, new mode of preparing, 240 

 Calorimeter, a newly invented one, 197 

 Camphorated water, 26 

 Cancer, the constellation, described, 4 

 Capella, its situation, 2, 4, 173 

 Capricorn, its situation and descrip- 

 tion, 8 

 Carbon, quantity of, in carbonic acid, 



216 

 Cassiopeia described, 1 

 Cataracts of the eyes removed from pa- 

 tients bom blind, 99 

 Cavallo, M. his electrical multiplier, 



45 

 Cavendish, Mr. 101— His discoveries in 

 electricity, 43— His analysis of corn- 

 won air, 87 

 Centaury compared with Peruvian bark, 



120 . 

 Ccphesu-, its situation pointed out, 2 

 Chaulnes, Duke of, on coloured con- 

 centric rings produced by laying two 

 obi ect- glasses upon each other, 194 

 Chemical theory, the modern, objec- 

 tions to, 170 

 Chemical tables, 381 



" Chemist, A," his correction of some 



mis-statements in the account of Mr. 



Davy's decomposition of the fixe* 



alkalies, 147 



Cherry-tree bark compared, with that of 



Peru, 119 

 Cheselden on the cataract of the eye, 



99, 105 

 Chcvreul, see Robiquet 

 Chinese radish oil, economical and me* 



dicinal uses of, 79 

 Cinchona, experiments on several spe- 

 cies of 106, 203 

 Cogan, Dr. on the culture of the poppy 



for oil, 282 

 Colours, experiments pn the cause of, 



121, 177 

 Columella, 175 



Comet expected last January, observa- 

 tions on, 263 

 Constellations, a guide to, 1, 11, 173, 

 Cor Leonis, its situation, 4 

 Corona Borealis, its situation and de? 



scription, 6 

 Coromandel coast, measurement of a 



degree at, 309 

 Corvus, its situation in the heavens, 6 

 Cotus, its situation and description, 9 

 Coulomb, M. his electrical balance, 45 

 Crater, its situation in the heavens, 6 

 Crawford, Dr. his experiments on heat 



erroneous, 199, 200, 201 

 Cream of tartar contains lime, 2Q 

 Cuthbertson, Mr. his electrometer, 45, 



153 

 Cygnus, description of its appearance 

 and situation in the heavens, 2, 5, 



P. 



Dalton, Mr on the gas of standing 



water, 150 

 D'Arcet, see Arcet 

 Darwin, Dr. 248, S29 

 Davis, Mr. his improved machine for 



painters and glaziers, 13— On the 



blight in wheat, 338 



Davy, 



