—, locality of, in New York, xvi, 185; xxi, 327.
Brookite, xviii, 392.
Brown, S., substance accompanying the native nitre of Kentucky, i, 146.
Brown, production of silicon from paracyanogen, xli, 208.
Brown's active molecules, xvii, 390.
Brown spar in Massachusetts, viii, 235; in New York, ii, 237.
Browne, J. B., impression in marble, xix, 361.f
Bruce, Archibald, biographical notice of, i, 299.f
Brucite, see [Chondrodite.]