—, composition and resolution of, T. Strong, xxviii, 85.
—, parallelogram of, T. Strong, xxvi, 304; xxix, 345.
—, —, A. C. Twining, xlvi, 324.f
—, condition of equilibrium between living and dead, xlvii, 241.f
Forgery, a mode of preventing, J. Atwater and S. S. Jocelyn, xv, 398.
Forman, J., salt formation of Salina and elsewhere, New York, xix, 141.
[Formic acid,] artificial, vii, 197.
— —, on the production of, xix, 374.
— —, —, M. Döbereiner, xxviii, 126.
— —, —, Göbel's observations on, xxviii, 127.