Boletus igniarius analogous to animal substances, A. Eaton, vi, 177.
Bolles's trigonometer, ix, 401.f
Bolton limestone quarry and its minerals, vii, 52.
Bombay, geology of the province of the Deccan, xxxiii, 274.
—, climate of the province of the Deccan, xxxiii, 275.
Bone, strength of, xiii, 189.
—, gelatine from, i, 170; xxii, 369.
—, used for soups, &c., x, 388; xvii, 169.
Bones of the Kirkdale caverns, viii, 158, 317.
—, in caves, in England, ii, 144; viii, 158, 317; xxxi, 341; xxxiii, 106; xxxv, 304.