Feed for cattle, xxii, 202.
— —, of beets, xxii, 201.
Fees for admission to various foreign societies, xx, 165.
Feldspar from Bytown, L. C., analysis of, T. Thomson, xxxi, 173.
—, and serpentine, containing titanium, xii, 187.
—, artificial, xxviii, 396.
—, localities of, in Canada, viii, 65.
—, —, in Connecticut, i, 353; vi, 221; vii, 253.
—, —, in Delaware, ix, 246.
—, —, in Massachusetts, i, 113; vii, 251, 252; xxxv, 192.