The American Journal of Science and Arts, Volume 50 (First Series) / General Index to Forty-Nine Volumes

by Various

Green, James, experiments with the elemental voltaic battery, xxviii, 33.

Haile, A. B., map of path of New Haven tornado, xxxvii, 343.

Haldeman, S. S., on zoological nomenclature, xlvi, 18.

—, electrical phenomenon, xlvi, 215.

Hall, J., on the Brachiopoda and Orthocerata, xlvii, 109.

Halos, xxviii, 304^f; xxxix, 61.^f

Harris, T. W., new species of Argulus, xxxvi, 393.

—, on the genus Cychrus, xxxvi, 391.

Hassler, F. R., on weights and measures, xxiii, 405.