Mansel, Dean, [121].
Marcus Aurelius, [148].
Martineau, James, [88], [174], [223]–[224].
Merit and demerit, import of, [68]–[70];
measure of, [71].
Metaphysics of ethics, [21], [119]–[195].
Mill, James, [154].
Mill, J. Stuart, [82], [121]–[122], [154].
Mohammedanism, [32].