— Winnebago, geology of region about, D. Ruggles, xxx, 1.f
Fortifications, ancient Indian, in Missouri, iii, 37.
—, — —, S. Taylor, xliv, 35.f
—, — —, see farther under [Mounds.]
Fossils, means of copying by a galvanic deposit, xlii, 327.
—, use of, in geology, A. Brongniart, viii, 213.
—, observations, on ibid, J. E. Doornik, xv, 90.
Fossil fish, see [Fish] and also under [Zoology.]
— footprints, see [Footprints.]
— vertebral remains in Connecticut valley sandstone, E. Hitchcock, xxix, 330.