— —, of Tuscany, xxviii, 143.
— —, ibid, J. Bowring, xxxvii, 270.
— —, reduced by hydrogen, xvii, 176.
— —, to detect, in tourmaline, vi, 157.
— —, on the origin of, in native compounds, J. D. Dana, xlix, 61.
— ether, xlviii, 189.
Borate of lime, description of, xlvi, 377.f
— —, analysis of, A. A. Hayes, xlvii, 215.
Boring for freshwater, see [Wells.]
Boron, method of evolving, R. Hare, xxiv, 249.f