Part 27

Lyell, 80, 107, 135, 136.

MacDougal, 148.

Madagascar, 161.

Mallock, 295.

Malthus, 136.

Mammalia, lower orders of, 42; their own mode of growing up, 64; embryos of, 64; 97; members of class differ, 157, 158; 200; order of mentality, 203.

Mammals, 40, 43, 157; embryo of, 171.

Mammoth, 97.

Marmosets, 161.

Marquesas, 103.

Marsupials, 104.

Mastodon, 97.

Mechanism, organic, 14; living, 110.

Melanesia, 103.

Mendel, Gregor, 145; his law, 146; 147, 148.

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; palaeontology 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.

Morgan, Lloyd, 148.

Morphology, 32.

Moths, 67.