Machinery, use of soapstone in diminishing friction of, xiii, 192.
— and manufactures, economy of, xxiv, 105.
Macle, see [Chiastolite.]
Maclure, W., on different systems of education, ix, 160, 163.
—, on the Pestalozzian system of, ix, 163; x, 145.
—, geological arrangement, outlines of, i, 209.
—, systematic arrangement of rocks and their probable origin, vii, 261.
—, geological systems, geological maps, and chatoyant feldspar, ix, 253.
—, — changes in N. America, conjectures on, east of the Stoney mountains, vi, 98.
—, — remarks on Mexico, xx, 406.