FOOTNOTES:

[74] Theory of Light, second edition, p. 28.

[75] Encyclopædia Britannica, vol. xxv., p. 106.

[76] Report of the British Association, 1900, p. 626.

[77] Æther and Matter, p. 26.

[78] Nature, vol. xlii., p. 453.

[79] Larmor, Report British Association, 1900, p. 625.

[80] Electricity and Matter, p. 51.

[81] The Structure of the Universe, Rede Lecture, June 10, 1902, p. 14.

[82] Nature, June, vol. lxii., p. 451.