—, dikes of trap, and metamorphic limestone, C. T. Jackson, xxxvi, 145, 147.
— iron ore veins, C. T. Jackson, xxxvi, 147, 150.
—, changes of level in, C. T. Jackson, xxxvi, 154.
—, fossiliferous rocks near Moose river, xxxvii, 378.
Maine, list of some plants in, J. W. Bailey, xxxii, 22.
—, minerals of Freyburg and Paris, xviii, 291.
Mairan, on the Aurora Borealis, allusion to, xxix, 388; xxxii, 177; xxxiv, 288, 289.
Maize, from the graves of ancient Peruvians, germination of, ix, 208.
—, sugar from, xliv, 215.