^ 



INDEX TO VOLUME XXXIV. 



Abstract of a meteorological journal for 

 1837, kept at Marietta, O., 132. 



New York city, 373. 



Acid, pyrogenic, new, 206. 



Aerolites in Brazil, 209. 



Agassiz's work on fossil fishes, advan- 

 cing, 46, 212. 



Agassiz's work on the Echinodermata, 

 212. 



Air, Prof. Lloyd on the clearness of, 7. 



Air pump, new, described by Prof. John- 

 ston, 86. 



Allantoin, 43. 



Analysis of scales of fossil Gavial, 201. 



Animals, Indian mounds in the form of, 

 88. . 



Annals of N. Y. Lyceum of Nat. History, 

 noticed, 214. 



Anthony, John G., description of a new 

 trilobite, 379. 



April, on the question of a meteoric 

 shower in, 398. 



Arsenical pyrites, vein of, 114. 



Asaphus polypleurus described by Dr. J. 

 Green, 380. 



Asphaltic mastic, 383. 



Association, British, 7th meeting of, 1. 



Atmosphere, on the temperature of, by 

 Poisson, 57. 



August 9th and 10th, shooting stars of, 

 180. 



^Aurora Borealis, altitude of, 288. 



disturbs the magnetic needle, 269 

 its occurrence in summer, 19. 

 ofNov. 14th, 1837, 267. 

 splendid display of in 1789, 204. 



B. 



Bache, Prof, on heat, 39. 



Bakewell's Geology, 3d American edi- 

 tion announced, 219. 



Barnard, Prof. F. A. P., account of the 

 splendid aurora borealis of Nov. 14th. 

 1837, 267. 



Barometer, mean height of at New York, 

 374. 



Batchelder, J. M., on temperature of Sa- 

 CO river, 381. 



Baup, on a new pyrogenic acid, 206. 



Bigelow's Statistics of Mass. noticed, 213 



Bituminization of peat, 73, 395. 



Bolton, Dr. Jas., on warming houses, 84 



Bonite, return of, 219. 



Botanical works of Rafinesque, noticed, 

 386. 



Boulders in Illinois, 141. 



Bowditch, Nathaniel, obituaiy of, 220, 



Brain, structure of, 31. 



Bramah press attached to the eyes of 

 fishes, 376. 



Brewing, influence of electricity on, 8. 



Brewster, Sir D., on a new propertv of 

 light, 20. 



new structure in the diamond, 37. 



Bi-iggs' geological report of Ohio, no- 

 ticed, 197. 



British Association, 7th meeting of, 1. 



Brongniart, Adolphe, on the ancient veg- 

 etation of the earth, 315. 



C. 



Caligus Americanus, detailed description 



of, by C. Pickering and J. D. Dana, 225. 



Calstronbarite, a new mineral, described, 



161. 

 Canal, Michigan and Illinois, ronte of, 138. 

 Candle-nut tree, oil of, 209. 

 Carbonic acid, non-decomposition of by 



plants, 44. 

 Carpenter, Dr. W. M., on fossils in Lou- 

 isiana, 201. 

 Cast iron, comparative constitution of by 



hot and cold blast, 21. 

 Cement of Seyssel, 383. 

 Ceratocephala goniata, described, 377. 



ceralepta, described, 379. 

 Chicago, nature of the lake shore near it, 



134. 

 Chlorine found in meteoric iron, 335. 

 Cholera, Dr. Mackintosh on, 49. 

 Christie on the aurora borealis in sum- 

 mer, 19. 

 Coal formation in Illinois, 142. 

 Coal, fossils contained in, 26. 

 Columbite and tin-ore at Beverly, Mass., 



402. 

 Copper metallic, galvanic formation of, 44. 

 Correlatives, Greek, Prof. Gibbs on, 337, 

 Couthouy, J. P., description of new shells 



by, 216. 

 Crania Americana, by Dr. Morton, no- 

 ticed, 214. 

 Crime in Liverpool, statistics of, 33. 



D. 

 Dal ton on non-decomposition of carbonic 



acid by plants, 44. 

 Dana, J. D. and C. Pickering, description 



of Caligus Americanus by, 225. 

 Declination, magnetic, in the U. S. 290. 

 Decomposing granite, 116. 

 De la Rive on electro-magnetic currents,6. 

 Demonstrative pronouns, their nature ex- 

 plained, 340. 



