[52] Carpenter's Principles of Human Physiology, London, 1881, p. 659.
[53] Edinburgh Medical and Surgical Journal, 1853, vol. lxxix, p. 360.
[54] Idiocy and Imbecility, London, 1877, pp. 216-219.
[55] See The Brain as an Organ of Mind, London, 1880, p. 465; also, The Human Brain, London, 1847, pp. 288, 289.
[56] Eclectic Magazine, December 14, 1863, p. 428.
[57] From an address before the Société des Amis des Sciences.
[58] Vol. xlvii, September, 1895.
[59] The Play of Animals. By Karl Groos. Translated by Elizabeth L. Baldwin. New York: D. Appleton and Company. Pp. 341. Price, $1.75.
[60] A History of Spanish Literature. By James Fitz Maurice-Kelly. New York: D. Appleton and Company. (Literature of the World Series. Edited by Edmund Gosse.) Pp. 433. Price, $1.50.
[61] The American Woods. Exhibited by Actual Specimens. Part I, representing Twenty-five Species. By Romeyn B. Hough: Lowville, N. Y. The Author.