Fevers, on remittent and intermittent, J. McCulloch, xviii, 338.
Fibrine, albumen and caseine, Scheerer on the isomerism of animal, with vegetable, xliii, 402.
—, butyric acid from, xlviii, 186.
Fibrolite, in Delaware, x, 224.
Ficoidites scabrosus, xxxi, 31.f
Field, M., on the origin of ergot, ix, 359.
—, meteorological registers, xii, 364; xvi, 288; xviii, 366; xx, 261f; xxii, 298; xxiv, 361.
—, profile mountain, in N. H., xiv, 64.f
Figures of crystals, on the drawing of, J. D. Dana, xxxiii, 30.f
Filicites, generic characters of, vii, 181.