Note 23 — Chapter XXV · LAWS OF VARIATION, continued.—CORRELATED VARIABILITY.
Reading edition
These statements are taken from Mr. Sedgwick in the ‘Medico-Chirurg. Review,’ July, 1861, p. 198; April, 1863, pp. 455 and 458. Liebreich is quoted by Professor Devay, in his ‘Mariages Consanguins,’ 1862, p. 116.