_Herrick, E. C._, Argulus catostomi, description of, xxxi, 297.^f ----, Aurora Borealis, in summer, with abstract of Huxham's auroral register, xxxiii, 297. ----, ---- ----, February, 1837, xxxii, 396. ----, ---- ----, July, 1837, xxxiii, 144. ----, ---- ----, ibid, needle agitated during, xxxiii, 146. ----, ---- ----, Nov. 14, 1837, influence of, on the magnetic needle, xxxiv, 270. ----, ---- ----, of Sept. 1839, xxxviii, 260. ----, ---- ----, April, 1842, xliii, 213. ----, ---- ----, August, 1844, New Haven, xlviii, 319. ----, ---- ----, belt of May, 1840, xxxix, 194, 383. ----, great comet of 1843, xliv, 412; xlv, 191, 229. ----, elm tree moth, parasite of the eggs of, xxxviii, 385; xl, 211. ----, Hessian fly and its parasites, xli, 153. ----, meteorite of Missouri, xxxvii, 385. ----, meteor of Dec. 14, 1837, xxxvii, 130. ----, Weston meteorite, Dec. 1807, xxxvii, 132. ----, shooting stars, facts showing the probable annual occurrence in August, xxxiii, 177, 354, 401. ----, ---- ----, probable periods of showers, in October, June, January, February, July, September, xxxv, 366. ----, ---- ----, April and November showers, cycle of, xl, 365. ----, ---- ----, August showers, characteristics of, xxxiii, 359. ----, ---- ----, nature, motions, numbers of, xxxiii, 360. ----, ---- ----, theory of, xxxiii, 363; xxxv, 367. ----, ---- ----, contributions towards a history of the showers, of former times, xl, 349; (errata) xlviii, 319. ----, ---- ----, of April, 1095, 1122 and 1803, xxxvi, 358, 361. ----, ---- ----, of June, various instances of showers in former times, xlii, 201. ----, ---- ----, of January, 1825, 1838 and 1839, xxxix, 334. ----, ---- ----, of August, 1837, xxxiii, 176; xxxiv, 180. ----, ---- ----, of April, 1838, xxxiv, 398. ----, ---- ----, of August, 1838, xxxv, 167. ----, ---- ----, of December, 1838, xxxv, 361; xxxvi, 355; xlii, 398. ----, ---- ----, of April, 1839, xxxvi, 361. ----, ---- ----, of August, 1839, xxxvii, 325. ----, ---- ----, of August, 1840, xxxix, 328; xl, 201. ----, ---- ----, of October and December, 1840, xl, 203. ----, ---- ----, of April, 1841, xlii, 397. ----, ---- ----, of August, 1841, xli, 399; xlii, 202. ----, ---- ----, of April, 1842, xliii, 212. ----, ---- ----, of August, 1842, xliii, 377; xliv, 208. ----, ---- ----, of November, 1842, xliv, 209. ----, ---- ----, of December, 1842, xliv, 210. ----, ---- ----, of April, 1843, xlv, 230. ----, ---- ----, of August, 1844, xlviii, 316. Herring, the mode of curing of, when discovered, xx, 183. _Herschel, J. F. W._, astronomical observations at the Cape of Good Hope, xxxv, 283. ----, remarkable phenomena of Halley's comet, xxxv, 285. ----, photographic process by which dormant pictures are made that may be developed by the breath, xlvi, 393. ----, on meteoric iron from South Africa, xxxvi, 213.