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

by Various

[Airpump,] new, J. H. Patten, viii, 143.^f

—, remarks upon, with suggestions, J. F. Dana, viii, 275.^f

—, Patten's, remarks in reply to J. F. Dana, ix, 92.

—, new, M. Thilorier, xxiv, 379.

—, a new construction, R. Hare, xxxiii, 237.^f

—, improved, J. Johnston, xxxiv, 86.^f

— receiver, improved, J. Bell, xxviii, 353.^f

Akerly, S., on the language of signs, viii, 348.

Alabaster (gypsum) of the Mammoth Cave, Ky., xlii, 206.^f

Alasmodonta and Unio, on the genera and species, D. H. Barnes, vi, 107^f, 258.^f