Mentality, human, 233.
Metazoa, 254.
Mice, 41, 134; field, 139.
Miller, 293.
Mind,
anatomy of, 202;
human, differs only in degree, 203; 210, 211;
embryology of, 214;
palæontology of, 217;
and matter inseparable, 234-237.
Missing links, 77.
Moeritherium, a significant fossil, 97.
Molecule, protein, 22, 23, 24.
Mollusks, 81, 82; connecting widely separated ages, 95.
Monkeys, 158.