Franconia iron works, xviii, 134, 289.
— minerals, xviii, 128.f
Frauenhofer, J., obituary of, xvi, 304.
Fredonia gas works, xxxvi, 6.
Gale, L. D., on zinc roofing, xxxii, 315.
Gardiner, R. H., on vibrating dams, xlv, 371.
Gaylord, W., on removal of fishes, xl, 405.
—, theory of tornadoes, xl, 399.
Genet, E. C., on upward forces of fluids, xi, 110, 339f; xii, 94, 310; xiii, 377.
Geology, cretaceous formation of New Jersey, see [Cretaceous, p. 60.]