[2201] Nature, Nov. 21, 1901, p. 55.
[2202] Nineteenth Century, June, 1903, p. 1003.
[2203] Ib., p. 1002.
[2204] Stonehenge, 1880, p. 18.
[2205] Nature, Nov. 21, 1901, pp. 55-6.
[2206] Nineteenth Century, June, 1903, p. 1008.
[2207] Nature, Nov. 21, 1901, p. 57.
[2208] Ib.
[2209] This phenomenon is explained in Sir N. Lockyer’s Elementary Lessons in Astronomy, 1889, §§ 549-54.
[2210] Nature, Nov. 21, 1901, p. 57.