De la Rue, W., structure of electro-precipitated metals, xlix, 390.

Delirium, Dwight's cases of, i, 431.

Del Rio, A., in reply to Prof. Shepard, xxx, 384.

—, reply of Prof. Shepard to, xxxi, 131.

De Luc's column, on the construction of, R. Hare, xxv, 136.f

De Kay, J. E., on the Pennatula sagitta of Lamarck, iv, 87.f

—, on the supposed transportation of rocks, xiii, 348.

—, report on the bones of Big Bone Lick, xx, 370.

—, report on the fishes of New York, notice of, D. H. Storer, xlv, 275.

Denderah, zodiac of, removed to France, v, 191; vi, 200.