[524] Astronomical Society of the Pacific, April, 1909 (No. 125), and Popular Astronomy, May, 1909.
[525] Nature, July 22, 1909.
[526] Ibid.
[527] The Observatory, vol. 9 (December, 1886), p. 389.
[528] De Nat. Deorum, quoted in Smyth’s Cycle, p. 19.
[529] The Observatory, May, 1907.
[530] More Worlds than Ours, p. 17.
[531] Man’s Place in Nature.
Transcriber’s Notes: