A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[31] Bibliographie, p. 569.

[32] Phil. Trans., vol. lxxii., p. 162.

[33] Ibid., vol. lxxiii., p. 272.

[34] Ibid., vol. xciii., p. 340.

[35] Phil. Trans., vol. lxxv., p. 255.

[36] Ibid., vol. lxxix., pp. 214, 222.

[37] Ibid., vol. xcii., pp. 479, 495.

[38] Phil. Trans., vol. ci., p. 269.

[39] Ibid., vol. cvii., p. 311.

[40] Bullialdus, De Nebulosâ Stellâ in Cingulo Andromedæ (1667); see also G. P. Bond, Mém. Am. Ac., vol. iii., p. 75, Holden's Monograph on the Orion Nebula, Washington Observations, vol. xxv., 1878 (pub. 1882), and Lady Huggins's drawing, Atlas of Spectra, p. 119.