Note 31 — Chapter IV
Reading edition
Sidis, Boris, M.A., Ph.D., M.D., "Neurosis and Eugenics," Medical Review of Reviews, Vol. XXI, No. 10, pp. 587-594, New York, October, 1915. A psychologist who writes of "some miraculous germ-plasm (chromatin) with wonderful dominant 'units' (Chromosomes)" is hardly a competent critic of the facts of heredity.