— palustris, a new species, R. Harlan, xxxi, 385.
Mustela pusilla, J. T. Plummer, xlvi, 241.
— vulpina, description of, C. S. Rafinesque, i, 82.
*Mylodon, R. Harlan, xliii, 141; xlv, 209.
*— in Georgia, xlvii, 258.
*— ? in Oregon, xlii, 136.f
*—, R. Owen, xliv, 341.
*Opossum in the Stonesfield slate, xxvii, 412; xxxvii, 228.
*Orycterotherium, R. Harlan, xlii, 392; xliv, 69f; xlv, 210.
*— missouriense, description of, xliv, 69f, 344; xlv, 210.