INDEX TO VOLUME XXVI 



A. 



Aikin, Dr. Wm. E. A., on the geology of 

 the country between Baltimore and the 

 Ohio river, 219. 



Air, color of, 65 j 



Amphodellite, 387. 



Analysis of shells, 361. 



Antimony, a new ore of, 386. 



B. 



Bakewell's geology, 2d. Am. Ed. of, 213. 



Benzamide, 274. 



Benzoic acid, researches respecting its 



radical, 261. 

 Benzoin, 279. 

 Benzoyl, 270, 



, sulphuret of, 273. 



Botanical notices of Southern States, 313. 



Bread, alcohol from, 211. 



British Assoc, for advancement of science 



next meeting, 402. 

 Brorao-benzoyl, 272- 

 Burns, recipe for, 188. 

 Burritt, E. H. on the Elements of the 



solar system, 129. 



C. 



Cabbage, purple test-papers of, 210. 

 Cabinet, mineralogical and fossil, for sale, 



209. 



Cape Horn, navigation of, 54. 



Capillary attraction, influence of electri- 

 city on, 399. 



Cartography, Prof. Dewey, 107, 376. 



Carrageen or Irish moss, 389. 



Caterpillars, to destroy, 189. 



Chalk and its fossils in granite, 218. 



Chaptal, Count, necrology of, 127. 



Charcoal, manufactory of, 188. 



Chlorobenzoyl, 270. 



Chronometers, sea and land rates of, 121. 



Chrysomela vitivora, 113. 



Churchill, S., on double fish, 116. 



Coal, bituminous, of Ala. 190. 



, plants, ligneous stems of American. 



215. 



Color of the air and of deep waters, 65. 



Comet, discovery of a new one, 402. 



Coinstock's outlines of geology,2l2. 



Copaiva, test of purity of sulp. ether, 392. 

 Corrosive sublimate, discharges stains of 



indelible ink, 392. 

 Corydalis canadensis and formosa, 114. 

 Croom, H. B. botanical communications, 



313. 

 Crystalline lenses of Am. animals desired, 



216. 



Cyanobenzoyl, 273. 



Cyclopaedia of Practical Medicine and 

 Surgery, &c. by Isaac Hays, M. D. 202. 



D. 



Dewey, Prof. C, on caricography, 107, 



376. 

 Diablotins, their use, 187. 

 Double fish, 116. 



E. 



Earthenware and porcelain, 233. 

 Edmondson, T. J., on rotating armatures, 



205. 



, modification of Amperes ro- 

 tating galvanic element, 370. 



Eggs, Scotch mode of preserving, 188. 



Electrical instruments, 110. 



Electricity, its influence on capillary at- 

 traction, 399. 



, sketch of its history, 175. 



, steam as a conductor of, 207. 



Electro magnetic experiments, 177, 378. 



-, magnetism, 311. 



Elements of the solar system, 129. 



Emmet, Prof. J. P., on voltaic induction, 

 23. 



, thermo-electricity and electro- 

 magnetism, 311. 



Emmons, Prof. E., on circulation in vege- 

 tables, 99. 



Ether, sulphuric, test for its purity, 392. 



Etna, ascent of Mt., by S. L. Johnson, 1. 



Ewbank's, Tho's., tinned lead-pipes, 210. 



Eye of fishes, muscle in, 394. 



, the Halibut, 393. 



F. 



Field, Gen., Martin, obituary of, 204 

 Fire, securities against, 286. 



Vol. XXIV.— No. 



52 



