t N D E X. 



barytes, 282— On the alteration that 

 air and water produce in flesh, 502 



BerthoIIet, jun. M. on th« reciprocal 

 action of sulphur and chafcoal, 71 



Berthoud, M. his treatise on time-keep- 

 ers, 311 



Bertrand, M. on the method of fabri- 

 cating artificial stone, employed in 

 the vicinity of Dunkirk, 154 



Beryl of Bavaria, 159 



Berzelius, M. on the amalgam of am- 

 monia, 243 



Betancourt, M. his lock for canals, 311 



Bierkander, M. on the root worm, 105 



Bior, M. on the refraction of the at- 

 mosphere, 309— On the air bladder 

 of fishes, 315 



Black on the sulphate of barytes, X74 



Blanchard, Rev. J. his table of the rain 

 that fell at various places in the year 

 1808, 197 



Bond, Wm. Esq. on the culture of 

 hemp, and other useful information 

 relative to improvements in Canada, 

 18 — Description of his machine for 

 breaking hemp, 25— On breeding 

 rabbits, 23— Hares, £6— The gua- 

 naco, 27 — The beaver, ib. 



Bonnet on the perspiration of plants, 

 169 



Bonpland's " Travels," 318 



Boracic acid, see Acid 



Borda's circle, 308 



Bosc, M. on the sugar of the rose bay, 

 283 



Bouillon- Lagrange on the suberic acid, 

 149 



Botillay, M. on the preparation of sul- 

 phuric ether, 201 



Bournon's " System of Mineralogy," 

 157 



Bouvard, M. his tables of Jupiter and 

 Saturn, 310 



Boys, Mr. his method of paring and 

 burning land, 195 



Braconnot, M. his analysis of fossil 

 horns, 159 



Bradley, Dr. his method of taking 

 transit observations, 139 



Brand's description of th« amber jf03S« 3 



84 

 Brioschi, M. 319 

 Brooks, Rev. J. 60 

 Broussonnet, M. 313 

 Brugnatelli on suberic acid, 149, 156 

 Bucholz, M. on the Bavarian beryl, 159 

 — His analysis of sulphate of barytes, 

 175, 281 

 Buds of trees, their formation, 293 

 Buffon's Works, Index to, 236 

 Burckhardt, M. his new mode of con- 

 structing telescopes, 308— His for- 

 mulae for altitudes, »'£.— On comets, 

 310 

 Burja, M. on the resistance of air, 316 

 Burning soil, to increase fertility, 187 

 Butler, J. Esq. his improvement of 

 - waste lands, 98 



C. 



Cabbages, culture of, on a new plan> 



55 

 Cadet, M. 275 



Calaguala root, analysis of, 141 

 Camera lucida, 372 

 Campbell, Mr. P. 59 

 Canada, improvements in, 18- 

 Capillary pen, 236 

 Carter, Dr. M. P. 76 

 Carbon of plants, origin of, 72, 316 

 Carbonaceous principle in plumbago-, 



charcoal, and diamond, 330 

 Carlisle-, Mr. 313 

 Caussigni, M. De, on the spontaneous 



ignition of charcoal, 277 

 Ceres, elements of her orbit, 317 

 Chaptal, M. on the decomposition of 



water by vegetables and animals, 8 

 Charcoal and hidrogen, analogy be- 

 tween, 71 

 Charcoal, spontaneous ignition of, 277 



—Analytical experiments on, 331, 33S 

 Chenevix on sulphate of barytes, 174 

 Chevaillers, M. 268 

 Chevreul, M. on the action of nitric 



acid on cork, 149 



Clackmannan, . 



