The American Journal of Science and Arts, Volume 50 (First Series) / General Index to Forty-Nine Volumes

by Various

—, obituary notice of, xl, 407; xliii, 381.

Mason, O., chemical examination of the bark of the white birch, xx, 282.

Masonite, description and analysis of, C. T. Jackson, xl, 186.

—, composition of, xlviii, 218.

Massachusetts, geology and mineralogy of a section of, with a part of New Hampshire and Vermont, including notices of rocks, soil, changes in the river, Indian relics at Deerfield, minerals, &c., E. Hitchcock, i, 105.^f

—, ibid of Connecticut valley, E. Hitchcock, vi, 1^f, 201^f;

–granite, 2;

granitic veins, 12;

graphic granite, 16.

—, geology and mineralogy of Connecticut valley, E. Hitchcock, pseudomorphous granite, vi, 17;