L'Année Psychologique, 1898.

[170]

Lancet, June 6, 1891. Edward Smith had pointed out many years earlier that scarlet fever is most fatal in periods of increasing vitality.

[171]

Havelock Ellis, "The Bladder as a Dynamometer," American Journal of Dermatology, May, 1902.

[172]

See, e.g., summary in Internationales Centrablatt für Anthropologie, 1902, Heft 4, p. 207.