--in 1800, 1815, 1819, 1822, 1836, xxxvii, 335, 336; --in 1837, xxxiii, 176, 354, 401; xxxiv, 180; --1838, xxxv, 167; --1839, xxxvii, 325; xxxviii, 203; --1840, xxxix, 328, 332; xl, 201; --1841, xli, 399; xlii, 202; --1842, xliii, 377; xliv, 208; --1844, xlviii, 316. ---- ----, ----, characteristics of the August shower, xxxiii, 359; xxxix, 330. ---- ----, ----, cycle of the November shower, xxxv, 367; xl, 365. ---- ----, ----, return of the November shower probable in 1867, xl, 365. ---- ----, ----, observations on the November showers, of former periods, xl, 363; --in 1838, xxxv, 362; --in 1839, xxxviii, 377; --1842, xliv, 209. ---- ----, ----, notices of observations in December, 1692, xlii, 400; --1809, xxxvi, 357; --1824, xxxvi, 357; --in 1838, xxxv, 361, 365; xxxvi, 355; xlii, 398; --in 1839, xxxviii, 377; --in 1840, xl, 203; --1842, xliv, 210. ---- ----, ----, cycle of the April shower, xxxv, 367; xl, 365. ---- ----, ----, observations on April showers, of former periods, xxxvi, 361; --in 1803, xxxvi, 358; --1838, xxxiv, 398; --1839, xxxvi, 361; --1841, xlii, 397; --1842, xliii, 212; --1843, xlv, 230. ---- ----, ----, notices of observations in June, xxxix, 334; xlii, 201. ---- ----, ----, notices of observations in October, 1839, xxxviii, 377; --1840, xl, 203. ---- ----, ----, notices of observations in January, xxxix, 334. ---- ----, ----, remarks on the zone-theory of, xxxiii, 363; xxxv, 367. ---- ----, ----, on the supposed connexion of, with the Zodiacal light, xxxiii, 364; xxxv, 368; xxxix, 331. ---- ----, ----, nature, motions and distance of, xxxiii, 360; xxxv, 366. ---- ----, ----, average daily number, xxxiii, 362. ---- ----, ----, average hourly number, xxxiii, 362; xxxv, 365. ---- ----, ----, apparent sizes, colors, &c., xxxiii, 360; xxxix, 330. ---- ----, ----, hour of maximum in August, xxxix, 330. ---- ----, ----, radiant point, xxxvii, 328; xxxix, 330. ---- ----, _Hitchcock, E._, magnetic or Auroral origin of, suggested, xxv, 355. ---- ----, ----, observations in November, 1833, xxv, 354. ---- ----, _Ideler, J. L._, conclusions as to the atmospheric origin (vegetable and animal) of, xxviii, 289. ---- ----, _Laplace, P. S._, remark as to the prevailing ignorance on, xxviii, 59. ---- ----, _Loomis, E._, on the sizes, heights, paths, course and velocities of, xxviii, 95; xxxv, 231. ---- ----, ----, apparent direction of, dependent on the motion of the earth, xxviii, 104. ---- ----, ----, on the course, velocity, height and size of the meteor of May 18, 1838, mathematically calculated, xxxv, 223. ---- ----, _Lynn, G._, first laid down a method for determining longitude by, xlii, 399. ---- ----, _Maskelyne, N._, on determining longitude by, xlii, 399; xliv, 374. ---- ----, _Messier_, on some meteors seen crossing the sun's disk, June, 1777, xxxiii, 364.