*Megalonyx, localities of, in U. States, xxvii, 353; xlv, 209.
*—, remarks on, R. Owen, xliv, 342.
*Megatherium in New Jersey, R. Harlan, xiv, 187.
*— in Georgia, xxvii, 353.
*— of Patagonia, xxxiii, 105.
*—, remains of, R. Haymond, xlvi, 294.
*—, had not a bony armor, xxxvii, 371.
Mice, habit of, xlvi, 242.
Mole, on the natural history of, xvii, 386; xxviii, 168.
Mus bursarius, S. L. Mitchill, iv, 183.