Michailovitch, J., cited, [84].
Microscopical petrography, [27].
Migration, of divides, [175].
Mill, H. R., cited, [424].
Mills, glacier, [398].
Milne, John, cited, [75], [92], [93].
Mineral fragments, possibility of growth of, [24].
Minerals, alterations of, [27], [28];
common, properties of, [452-461];
of economic importance, [452-456];