Majorca, notice of a part of, xxvii, 83.

[Malachite,] in Connecticut, vi, 206, 232.

—, in Massachusetts, i, 115.

—, in New York, viii, 249.

—, in Pennsylvania, i, 236.

—, of Lake Superior copper mines, vii, 45.

Malacrone, a new mineral, xlix, 394.

Malaria, remarks on, xvii, 300; xviii, 339.

—, T. Hopkins on, xxxvii, 196.

— of the Campagna di Roma, xxii, 336.