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

by Agnes M. Clerke

[1486] Observatory, vol. xv., p. 287; Seeliger, Astr. Nach., No. 3,118; Astr. and Astroph., vol. xi., p. 906.

[1487] Ranyard, Knowledge, vol. xv., p. 110.

[1488] Proc. Roy. Soc., vol. li., p. 492.

[1489] Burnham, Month. Not., vol. liii., p. 58.

[1490] Astr. Nach., Nos. 3,118, 3,143.

[1491] Renz, Ibid., Nos. 3,119, 3,238; Huggins, Astr. and Astroph., vol. xiii., p. 314.

[1492] Astr. Nach., No. 3,111.

[1493] Bélopolsky, Astr. Nach., No. 3,120.

[1494] Nature, September 15, 1892.

[1495] Astr. Nach., Nos. 3,122, 3,129.