—, — datholite, xlvi, 380.f
—, — zircon, tesselated, xlvi, 36.f
—, eremite identical with monazite, xlv, 402.f
—, Torrelite identical with Columbite, xxxii, 149.f
—, measurement of Lederite, showing its identity with sphene, xlviii, 180.
—, minerals in crystallized limestones, produced by heat acting on constituents and impurities of non-crystallized limestones, xlvii, 135.
—, origin of the constituent and adventitious minerals of trap rocks, xlix, 49.
—, — of boracic acid in native borates, xlix, 61.
—, — of mountains, xlv, 128.
—, — of serpentine, xlv, 120.