Note 234 — Chapter VII · THE GODS AND THE SONS OF GOD

Op. cit., pp. 372–373. See also Mind and Body by Alexander Bain, M.D., pp. 20–21: “The concomitance of size of nervous system with mental power, throughout the animal series, is sufficiently admitted for the purpose of our general argument.” The general argument in question being: “When extensive statistics are taken, the conclusion is established that great mental superiority is accompanied with a more than average size of brain....” And further: “There would be no exaggeration in saying that while size of brain increases in arithmetical proportion, intellectual range increases in geometrical proportion.”