INDEX TO VOL. XVI. 



A 



Aerolite of Virginia, description of, 191 

 Affinity, influence of quantity of matter upon, 234 

 Albumen, precipitation of, by phosphoric acid, 396 

 Alcohol, 388 



action of sulphuric acid upon, 267 



colored flame of, 390 



from succulent and farinaceous plants, 173 



Algebraic solution, 271 



Allinson S. on the atomic weight of mercury, 183 



Alum soda, of Milo, 203 



Alumine, its use with pigments, 173 



Ammonia, effect of, in cases of poison, 182 



Analysis of chrysolite in the Virginia aerolite, 196 



of meteoric iron, 201 



" " of Louisiana, 217 



Antiparos, description of, 336 



Argillite embracing anthracite, 299 

 Artificial diamonds, 394 

 Atmosphere, carbonic acid of, 214 

 Aurora borealis, speculations upon, 290 



B 

 Balsam copaiva, new preparation of, 40 

 Barium, deutoxide of, new mode of preparing, 395 

 Beck, L. C. Dr. on iron in salt springs, 187 

 Bel), B. strictures by, on Mr. Du Commun's hypothesis, 51 

 Bichromate of potash, 384 



Birds of N. America, Audubon's work upon, 353 

 Blasting of rocks, improvement in, 372 

 Blood, rapid circulation of, 388 

 Botany, uniform nomenclature in, 376 

 Brandes, Dr. on shooting stars, 20 

 Bronzite, locality of, 185 



Cabinet of William Phillips, 379 

 Calendar of vegetation, 48 

 Canada, natural history in, 378 



new maps of, 381 



Carbonic acid of the atmosphere, 214 

 Carpenter, G. W. on balsam copaiva, 40 

 . " chloride of lime, 177 



" Peruvian bark, 28 



Chalcedony, 375 



Charcoal, decoloring action of, 393 

 Chemical instruments, new ones, 293 



action, measurement of, 215 



Chester county cabinet of Natural History, 374 



Chloride of lime, 387 



Chloride of lime, use of, 177 



Chloride of lime in psora, 395 



Chromate of potash, when pure, 392 



Chrysolite in Virginia aerolite, 192 



Church, Dr. on ammonia in cases of poison, 182 



Citric acid in gooseberries, 385 



r'ollections in natural history, 368 



Vol. XVI.— No. 2. 24 



