—, —, in New Hampshire, xviii, 129, 131.
—, —, in New Jersey, v, 28.
—, —, in New York, v, 12; xix, 224; xxv, 350; xxviii, 172.
—, —, in North and South Carolina, iii, 3; v, 262; xli, 183.
—, —, in Ohio, xvi, 156, 157.
—, —, in Pennsylvania, iv, 4; viii, 239; x, 222; xiv, 5, 6, 8, 13.
—, —, in Vermont, i, 115; iii, 76, 326; vi, 245.
Pyrochlore, analysis of, F. Wöhler, xviii, 392; xliii, 35.
— of Chesterfield, Mass., J. E. Teschemacher, xlviii, 395.
—, identical with microlite, J. E. Teschemacher and A. A. Hayes, xliii, 33.