— pits, in N. Carolina, organic remains of, H. B. Croom, xxvii, 168.
— from Ashley river, S. C., composition of, J. L. Smith, xlviii, 101.
— — — infusorial character of, J. W. Bailey, xlviii, 102.
— in Wayne Co., Ohio, xxxi, 55.
—, red calcareous, in Texas, J. L. Riddell, xxxvii, 211.
Marmalite, description and analysis of, T. Nuttall, iv, 17, 19.
Marsh, R., meteorological register, xlix, 212.
Marsupial fossils of the Stonesfield slate, xxvii, 412; xxxvii, 228.
— —, see under [Zoology.]
Martha's Vineyard, notices of geology of, vii, 240.f