— —, A. A. Hayes, xliii, 33; xlvi, 158.

— mineral waters, see [Analysis of waters], below.

— molybdena, H. Seybert, iv, 320.

— mud, New Haven harbor, B. Silliman, Jr., xlviii, 337.

— Murchisonite, xv, 386.

— needle ore, xxviii, 395.

— nephrite, G. T. Bowen, v, 346.

— olefiant gas, R. Hare, xv, 270.

— olivine, ix, 379; xiii, 184.

— organic compounds, determination of nitrogen in, xlv, 267.