Allanite, analysis of, xxviii, 394.

—, of Monroe, N. Y., analysis of, xlvi, 37.

—, in New York, xl, 76.

Allen, J. A., supposed traces of a volcano about West River Mountain, Vermont, iii, 73.

—, luminous appearances in the atmosphere, iv, 341.

Allen, W., on the curves of tri-section, iv, 343.

Allen, Z., volume of the Niagara river, xlvi, 67.f

Allinson, S. Jr., on the atomic weight of mercury, xvi, 183.

Allomorphite, xlii, 386.

Allotropism of chlorine, J. W. Draper, xlix, 346.f