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

by Agnes M. Clerke

[1386] A designation applied by Sir Norman Lockyer to third-type stars.

[1387] See ante, p. 198.

[1388] Bothkamp Beobachtungen, Heft ii., p. 146.

[1389] Astr. Nach., No. 2,539.

[1390] Ibid., No. 2,548; Observatory, vol. vi., p. 332.

[1391] Month. Not., vol. xlvii., p. 92.

[1392] Publ. Astr. Pac. Soc., vol. i., p. 80; Observatory, vol. xiii., p. 46.

[1393] Lockyer, Proc. Roy. Soc., vol. lvii., p. 173.

[1394] Astr. Nach., No. 3,129.

[1395] Month. Not., vol. lix., p. 505.