Monadology, of Leibniz, [227].
Monism, [46], [97], [103], [125], [230], [284], [350] n., [399]. [409].
Monophysites, [268].
Monopsychism, [284].
Moral cause, [377-8].
Morality and art, [205-6].
Motion (v. [change]), and efficient causality, [392-6].
Multitude, actually infinite, [321-2].
Nature and substance, [257] sqq.;