[37] See the Principles of Physiology, &c. chap. iii. p. 87.

[38] Respecting the proper regulation of exercise, see The Principles of Physiology, chap. iv. p. 144.

[39] Beaumont’s Observations, &c., p. 63.

[40] Transylvania Journal of Medicine for September 1832, p. 313. See also Dr Caldwell’s excellent Thoughts on Physical Education, and the True Mode of Improving the Condition of Man; reprinted for A. and C. Black, Edinburgh, 1836.

[41] Abercrombie on Diseases of the Stomach, &c., 1st edition, p. 72.

[42] The Art of Prolonging and Invigorating Life. 3d ed., p. 168.

[43] Art of Invigorating, &c., p. 171.

[44] Heidler. Marienbad, et ses differens moyens curatifs dans les maladies chroniques, p. 62.

[45] Principles of Physiology, &c. chap. vii. p. 256, and chap. x. p. 372.

[46] Londe, Elemens d’Hygiène, vol. ii. p. 161.