Hubbard, J. S., elements of Southern comet of Dec., 1844, xlviii, 403.
Humbert, J., compound electro-magnet, xxxviii, 204.
Ives, Eli, a new species of Gnaphalium, i, 310, 380.f
—, on chloric ether, xxi, 406.
[Jackson, C. T.,] on the revolving electric magnet of Pixii, xxiv, 146.f
—, on Ledererite, xxv, 78.f
—, on mineral manures, xli, 159.
—, trilobites in Maine, xli, 161.
—, joints in rocks, xli, 172.
—, trap dikes, xli, 172, 173.