Mauran, J., improved instrument for venous injection, xxiii, 114.f
Maury, M. F., description of an alembic for distilling amalgam of gold, xxxiii, 66.f
—, on the gold veins of the U. States mine near Fredericksburg, Va., xxxii, 325.
—, on the navigation of Cape Horn, xxvi, 54.
—, on the Gulf Stream and currents of the sea, xlvii, 161.
—, instrument for finding the true lunar distance, xxvi, 63.f
Meade, W., mineral cabinet of, xxvi, 209.
—, on the coal near Tioga river, Penn., xiii, 32.
—, on the anthracites of Europe and America, xii, 75.
—, on the use of anthracite in the making of brick, xviii, 118.