[298] Gauss, translated by Bertrand, p. 25.
[299] Jamin, Cours de Physique, vol. ii. p. 60.
[300] Preliminary Discourse on the Study of Natural Philosophy, p. 77.
[301] Lavoisier’s Elements of Chemistry, translated by Kerr, 3rd ed. p. 148.
[302] Babbage, Economy of Manufactures, p. 194.
[303] System of the World, translated by Harte, vol. ii. p. 335.
[304] This curious phenomenon, which I propose to call pedesis, or the pedetic movement, from πηδόω, to jump, is carefully described in my paper published in the Quarterly Journal of Science for April, 1878, vol. viii. (N.S.) p. 167. See also Proceedings of the Literary and Philosophical Society of Manchester, 25th January, 1870, vol. ix. p. 78, Nature, 22nd August, 1878, vol. xviii. p. 440, or the Quarterly Journal of Science, vol. viii. (N.S.) p. 514.
[305] Maxwell, Theory of Heat, p. 301.
[306] Laplace, Essai Philosophique, p. 59. Todhunter’s History, pp. 491–494.
[307] Chambers’ Astronomy, 1st ed. p. 203.