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

by Agnes M. Clerke

[1254] Month. Not., vol. lii., p. 341.

[1255] Astr. Nach., No. 1,488.

[1256] Annuaire, Paris, 1883, p. 185.

[1257] Phil. Trans., vol. clviii., p. 556.

[1258] Hasselberg, Mém. de l'Ac. Imp. de St. Pétersbourg, t. xxviii. (7th ser.), No. 2, p. 66.

[1259] Scheiner, Die Spectralanalyse der Gestirne, p. 234. Kayser (Astr. and Astroph., vol. xiii., p. 368) refers the anomalies of the carbon-spectrum in comets wholly to instrumental sources.

[1260] Dewar, Proc. Roy. Inst., vol. xi., p. 541.

[1261] Proc. R. Soc., vol. xv., p. 5; Month. Not., vol. xxvii., p. 288.

[1262] Keeler, Astr. and Astrophysics, vol. xi., p. 929; Vogel, Astr. Nach., No. 3,142.

[1263] Proc. Roy. Soc., vol. xxiii., p. 154.