— —, height of, above tide level, depth and temperature, xxxiii, 403.
— —, C. Dewey, xxxvii, 242.
— of the Woods, position of, determined astronomically, by J. L. Tiarks, xv, 41.
Lalande, medals founded by, xxv, 190.
Lamp, aphlogistic, iv, 328.f
—, —, platina, xx, 385.
—, new astral, v, 386.
—, hydrostatic, xvii, 161.
—, a new, with inflammable air, J. Green, ii, 330.f
—, new, without flame, i, 207.