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

by Agnes M. Clerke

[556] Comptes Rendus, t. lxxiii., p. 434.

[557] Wash. Obs., 1867, App. ii., p. 195.

[558] Stokes, Anniversary Address, Nature, vol. xxxv., p. 114.

[559] Comptes Rendus, t. ci., p. 50.

[560] Harvard Annals, vol. xviii., p. 99.

[561] Wesley, Phil. Trans., vol. clxxx., p. 350.

[562] Harvard Annals, vol. xviii, p. 108.

[563] Lick Report, p. 20.

[564] Ibid., p. 14.

[565] Ibid., p. 155.