INDEX. 



Bird's mc'liod of dividing instruments, 

 5,110 



Bird, Mr. his discovery of a new variety 

 of alum rock, 245 



B. L. on the existence of oxalic acid in 

 the leaves and stalks of the rheum 

 palmatum, or true rhubarb, 235 



Blair, Dr. R. 135 



Elanchard, Rev. J. his table of the rain 

 that fell at various places in the year, 

 1809, 309 



Bolton, Capt. Wm. letter from, on his 

 improved jury masts, and on a con- 

 trivance for better securing the 

 shrouds of ships, 3-57 

 . Bcnvoisin, Dr. on the influence of light 

 on v'arious matters, 38 



Eostock, Dr. his remarks on meteor" 

 ology, with a specimen of a new me- 

 teorological table, 196 — See also, 



. 259 



Eoutourline on the cold of the winter of 

 1808-9, 75 



Brewerton, T. Le Gay, Esq. on the 

 acid produced by treating ginger root 

 with nitric acid, 177 



Brongniart, M. on the geographical mi- 

 neralogy of the environs of Paris, 313 



Bronzite, analysis of, 381 



Broussonet on the cause of motion in 

 the dionsa muscipula, or Venus'" fly- 

 trap, 92 



Brown, Mr. R. on the subdivision of the 

 apocineae of Jussieu, 72 



Bucholz, M. on the chemical action of 

 simple galvanico-electric chains form- 

 ed of metallic solutions, water, or 

 acid, and a metal j and on the dis- 

 oxidation of metallic oxides effected 

 "by these means, 39 



■ Qn the compact red iron 



ore, in cubic crystals,' from Toes- 

 chnifz, in Thuringia, 97 



» ' ■ " — on the oxides of iron, and 

 the manner in which they comport 

 themselves with some acids, 353 



Buenger, M. 50 



Buffon, 377 



Burning-glass of Rospini, 99 



'^^ — — of Archimedes, imitated 



by Peyrard, 377 



of Buffon, ib. 



Buxton, Dr. his medical lectures, 79 



C. 



C. on respiration, 231 



Caille, De la, on the propagation of 



sovmd, 34 

 Camera lucida, 173 

 Camparetti on the motion of sensitive 



plants, 93 

 Cassini, his experiments on the vibra- 

 tions of sound, 34 

 Castor oil, see Oil, 

 Catalonia, volcanoes of, 158 

 Cayley, Sir G. on aerial navigation, 81, 



161 

 — on the construction of 



theatres, 307 

 Gerite, fossil, 311 

 Chains of iron reeommended in mining, 



in preference to ropes, 316 

 Champeux, M. on the yellow ore of 



uranium, 71 

 Chenevix, M. on platina, 65 

 Cheseldcn, 125 

 Chladni, M. on the meteorolite of Eg- 



gen&eld, p5 

 Clarke, Dr. his meteorological table 



for 1809, 310 

 Clement, M. 67, 147 

 Cogan, Dr. his drag for extricating 



bodies from the water, 287 

 Cold of the winter of 1809, 76 

 Cohunbium, identity of with tantalum, 



23 

 Combustion, phaenomena of, 189 

 Condillac, on the nature of sounds, 36 

 Congreve, Mr. his plantation of aaks, 



315 

 Cook, Mr. B. on the construction of 



theatres, so as to render them secure 



against fire, 301 

 Copper oxides, 72 

 Correspondents, answers to, 159 

 Coutelle, M. on the parabolic leris of 



Rospini, 99 . 



Coutinho, 



