Bolton, J., on warming houses, xxxiv, 84.
Bonstetten, C. V. de, obituary notice of, xxiii, 371.
Booth, J. C., analysis of chrome iron, xxxviii, 243.
Bowen, G. T., obituary notice of, xv, 403.
Boyé, M. H., new compound of platinum, xxxviii, 186.
Brace, J. P., on a vibrating dam, xlv, 372.
Breccia of the Potomac, i, 216.
Breislak, S., obituary notice of, xii, 192.
Browne, P. A., early geological section, xli, 183.
Browning gun barrels, W. Ettrick on, xxxiv, 45.