[Footnote 1394: _Astr. Nach._, No. 3,129.]

[Footnote 1395: _Month. Not._, vol. lix., p. 505.]

[Footnote 1396: _Astr. Nach._, No. 2,581.]

[Footnote 1397: _Ibid._, Nos. 2,651-2.]

[Footnote 1398: _Ibid._, No. 3,051; _Astr. and Astrophysics_, vol. xi., p. 25; Belopolsky, _Astr. Nach._, No. 3,129.]

[Footnote 1399: _Comptes Rendus_, t. lxv., p. 292.]

[Footnote 1400: _Copernicus_, vol. iii., p. 207.]

[Footnote 1401: _System of the Stars_, p. 70; _Harvard Annals_, vol.

xxviii., pt. ii., p. 243 (Miss Cannon).]

[Footnote 1402: _Potsdam Publ._, No. 14, p. 17.]

[Footnote 1403: _Proc. Roy. Soc._, vol. xlix., p. 33.]

[Footnote 1404: Miss A. J. Cannon, _Harvard Annals_, vol. xxviii., pt.

ii., p. 141.]

[Footnote 1405: _Astr. and Astroph._, vol. xiii., p. 448.]

[Footnote 1406: _Potsdam Publ._, No. 2.]

[Footnote 1407: The results of Von Konkoly's extension of Vogel's work to 15 of south declination were published in _O Gyalla Beobachtungen_, Bd. viii., Th. ii., 1887.]

[Footnote 1408: _Astroph. Jour._, vols. viii., p. 237; ix., p. 271.]

[Footnote 1409: _Ibid._, vol. ix., p. 119.]

[Footnote 1410: _Phil. Trans._, vol. cliv., p. 413. Some preliminary results were embodied in a "note" communicated to the Royal Society, February 19, 1863 (_Proc. Roy. Soc._, vol. xii., p. 444).]

[Footnote 1411: _Bothkamp Beob._, Heft i., p. 25.]

[Footnote 1412: _Astroph. Jour._, vol. vi., p. 423.]

[Footnote 1413: _Phil. Trans._, vol. cliv., p. 429, _note_.]

[Footnote 1414: _Month. Not._, vol. xxiii., p. 180.]

[Footnote 1415: _Proc. Roy. Soc._, vol. xxv., p. 446.]

[Footnote 1416: _Phil. Trans._, vol. clxxi., p. 669; _Atlas of Stellar Spectra_, p. 22.]

[Footnote 1417: _Astr. Nach._, No. 2,301; _Monatsb._, Berlin, 1879, p.

119; 1880, p. 192.]

[Footnote 1418: _Jour. de Physique_, t. v., p. 98.]

[Footnote 1419: _System of the Stars_, p. 39.]

[Footnote 1420: See _ante_, p. 198.]

[Footnote 1421: _Proc. Roy. Soc._, vol. xlviii., p. 314.]

[Footnote 1422: _Harvard Circulars_, Nos. 12, 18; _Astroph. Jour._, vol.

v., p. 92.]

[Footnote 1423: _Astroph. Jour._, vol. vi., p. 233.]

[Footnote 1424: McClean, _Phil. Trans._, vol. cxci. A., p. 129.]

[Footnote 1425: _Proc. Roy. Soc._, vol. lxii., p. 417.]

[Footnote 1426: _Ibid._, April 27, 1899; _Astroph. Jour._, vol. x., p.

272.]

[Footnote 1427: _Astr. Nach._, No. 3,565.]

[Footnote 1428: _Ibid._, No. 3,583.]

[Footnote 1429: Lunt, _Astroph. Jour._, vol. xi., p. 262; _Proc. Roy.

Soc._, vol. lxvi., p. 44; Lockyer, _ibid._, November 23, 1899; _Nature_, vol. lxi., p. 263.]

[Footnote 1430: _Die Spectrala.n.a.lyse_, p. 314.]

[Footnote 1431: _Henry Draper Memorial, First Ann. Report_, 1887.]

[Footnote 1432: _Mem. Amer. Acad._, vol. xi., p. 215.]

[Footnote 1433: _Harvard Annals_, vol. xxvii.]

[Footnote 1434: _Harvard Annals_, vol. xxviii., parts i. and ii.]

[Footnote 1435: See _ante_, p. 201.]

[Footnote 1436: _Phil. Trans._, vol. clviii., p. 529.]

[Footnote 1437: Sch.e.l.len, _Die Spectrala.n.a.lyse_, Bd. ii., p. 326 (ed.

1883).]

[Footnote 1438: _Proc. Roy. Soc._, vol. xx., p. 386.]

[Footnote 1439: _System of the Stars_, p. 199.]