404 



INDEX. 



Herapath, Mr. Wm., on a new process 

 for tanning, 303. 



Herpetology of North America, by Hol- 

 brook, 186. 



Herrick, E. C, on shooting stars of Au- 

 gust 9th, 1838, 167. 



on shooting stars of Dec. 

 7th, 1838, 361. 



Herschel, Sir J., remarks on Mr. Red- 

 field's law of storms, 281. 



astronomical observations 

 at the Cape of Good Hope, 283. 



phenomenon of Halley's 

 comet, 285. 



vitreous humor of shark's 

 eye, 293. 



Hills, Ilock, his quarries of marble in 

 Vermont, 390. 



Hincks, Rev. W., on vegetable mon- 

 strosities, 310. 



Hindmarsh, Mr J., on the wild cattle of 

 Chillingham Park, 310. 



Hitchcock, Prof E., note to Mr. Con- 

 rad's remarks, 246 



Holbrook, Dr. J. E., his American Her- 

 petology, 186. 



Hope, Mr., classification of insects, 311. 

 on noxious insects, 313. 



Hovey, Prof. S., on geology of St. Croix, 

 64. 



on geology of Antigua, 75. 



Howell, B. B , extreme heat at Cumber- 

 land, 190. 



Hubbard, Prof, O. P., letter addressed 

 to him on a storm in New Hampshire, 

 233. 



Hurricanes, with notices of the tyfoons 

 of the China sea, 201. 

 206, 220, 221. 



Indian pipe stone analyzed, 388. 

 Infusoria, fossil and recent, 118, 311, 371. 

 Inducing magnetism, double helix for 



that purpose, 269. 

 Insects, which appeared in Mr. Crosse's 



electro-magnetic experiments, 125. 

 noxious, 313. 



their depredations obviated, 338. 

 Interpretation of hara and asah, by Dr. 



Noah Webster, 375. 

 Iron, new mode of manufacturing, 303. 

 Isomorphism, exception to law of, 302. 



J. 



Jackson's report of geology of Maine, 



3S7. 



his analysis of Indian pipe stone, 



388. 

 Jardine. on Salmonides of Scotland, 312. 

 Jervis, Maj. J., survey of Britisli India, 



308. 

 Jenyns, Rev. L., on the square-tailed 



shrew, 312. 



Johnston, Dr., on an exception to tlie 



law of Isomorphism, 302. 



resin of gamboge, 304. 

 Joslin, Prof. B. F., on the aurora as 



connected with the crystallization of 



snow, 145. 



K. 



Kirwan, Dr. R., capture of his library ,26. 



Lagoons of Florida described, 54. 



Lardner, Dr., on navigation of the At- 

 lantic by steam, 320. 



Lea, Isaac, observations on the genus 

 Unio, 184. 



notice of Wyatt's manual of 

 conchology, 386. 



Lead ores, easy mode of cupelling, 321. 



Leithart, on the stratification of I'ocks, 

 306. 



Level line measured, 287. 



Levelling stave, new, described, 318. 



Life and character of Dr. Bowditch, 1. 



Light, blanching effects of, obviated, 338. 



Lime, its power of absorbing moisture 

 from plants, 338. 



Liquefaction and solidification of car- 

 bonic acid, 301,346, 374. 



Lloyd, Prof, on magnetic dip and inten- 

 sity, 296. 



Long, description of a bone cavern in 

 Mendip hills, 304. 



Loomis, Prof. Elias, on meteor of May 

 18th, 1838, 223. 



Lunar volcanoes, notice of, 305. 



Lyell, Chas., On vertical lines of flint, 

 305. 



Elements of geology, no- 

 ticed, 385. 



M. 



Magnetic action, (local,) mode of obvia- 

 ting, 296. 



dip and intensity in Ireland,296. 

 electrepeter and electrotome, 



112. 

 Magneto-electrical experiments, 252. 

 Magnus, on gases in the blood, 198. 



on respiration, 198. 

 Mallet, Mr. R., on commercial potass, 



299. 

 Mandingo, account of a native, 305. 

 Mantell's Wonders of geology, 384. 

 Marble in Vermont described, 390. 

 Mason, E P., micrometric measurements 



taken by him, 176. 

 Mathematical and physical section of 



British Association, 276. 

 Mather, W. W., easy mode of cupella- 



tion,321. 

 Maugham, false claim to hydro-oxygen 



blowpipe, 304 ; refuted, 331. 



