Note 13 — CAUSES OF IDIOCY.

Sir J.C. Browne, in speaking of the brain of men and women, says there can be no question of inferiority or superiority between them any more than there can be between a telescope and a microscope; but they are differentiated from each other in structure and function, and fitted to do different kinds of work in the world. He maintains that the weight of the brain is less in women than in men, that the specific gravity of the grey matter is less, that the distribution of the blood varies in the two sexes to a considerable extent, and that the blood going to the female brain is somewhat poorer in quality than that going to the male brain, and contains four millions and a half corpuscles to the cubic millimetre, instead of five millions in the case of the male.