— on Dumas's law of substitutions in chemistry, xxxviii, 114.
Graham, Maria, on the rise of the coast of Chili, xxviii, 237.
Grains, cereal, analyses of, C. T. Jackson and A. A. Hayes, xiv, 339.
Grammer, J., coal mines near Richmond, Va., i, 125.
Granger, E., vegetable impressions on the rocks of the coal formation at Zanesville, Ohio, iii, 5.f
Granite, artificial, xxiv, 205.
—, durability of, as compared with marble, xv, 168.
— of Northern America, xvii, 1, et seq.
—, in Canada, origin of, R. H. Bonnycastle, xxx, 246.