— — —, Prof. Christie on, xxxiii, 300.

— — —, E. C. Herrick's citations from Huxham's Auroral Register, xxxiii, 297.

— — —, ibid, from H. Gibbons's register, 1827-1833, xxxiii, 299.

— — —, from J. Winthrop's register, June, 1746, xl, 206.

— — —, Aug. 19, 1726, xxix, 388.

— — —, May, 1840, xl, 48, 338.

— — —, July, 1830, M. Field, xx, 262.

— — —, July, 1837, xxxiii, 143, 144, 212.

— — —, August, 1844, E. C. Herrick, xlviii, 319.

— — corona, position of, in several auroras, A. C. Twining, xxxii, 227.