[34] Bryan, Addresses and Proceedings of the National Educational Association, 1897.
[35] Pedagogical Seminary, vol. ii, pp. 20 et seq.
[36] Ibid., op. cit.
[37] The New Psychology, pp. 128-132.
[38] The Development of Voluntary Motor Ability, p. 76.
[39] Mental Faculty, pp. 76, 77.
[40] The New Psychology, pp. 236-248.
[41] Op. cit., p. 47.
[42] See Educational Review, op. cit.; Galton, Journal of the Anthropological Institute, 1888, pp. 153 et seq.
[43] Since this article was written extensive investigations on school-room fatigue have been made in the schools of Madison, Wis., under the writer's direction, and the general principles here mentioned have been corroborated.