r. Nach._, No. 3,422.]

[Footnote 1566: _Ibid._, No. 3,441.]

[Footnote 1567: _Ibid._, Nos. 3,018, 3,032.]

[Footnote 1568: _Journ. Brit. Astr. Assoc._, vol. ix., p. 133.]

[Footnote 1569: _Astr. Nach._, No. 3,253.]

[Footnote 1570: _Observatory_, vol. xxi., pp. 351, 386.]

[Footnote 1571: Reproduced in _Astroph. Journ._, vol. xi., p. 324.]

[Footnote 1572: _Ibid._, p. 347.]

[Footnote 1573: _Astr. Nach._, No. 3,704.]

[Footnote 1574: _Sitzungsb. Bayer. Akad._, March 23, 1901.]

[Footnote 1575: _Annals of the Cape Observatory_, vols. iii., iv., v.]

[Footnote 1576: _Month. Not._, vol. lx., p. 381.]

[Footnote 1577: D. Klumpke, _Observatory_, vol. xv., p. 305.]

[Footnote 1578: Gilbert, _Sid. Mess._, vol. i., p. 288.]

[Footnote 1579: _Astr. Papers for the Amer. Ephemeris_, vol. viii., pt.
ii.]

[Footnote 1580: _Nature_, vol. xxiv., p. 91; _Dunsink Observations_, pt.
v., 1884.]

[Footnote 1581: Elkin, _Report for 1891-92_, p. 25; Newcomb, _The
Stars_, p. 151.]

[Footnote 1582: _Annals of the Cape Observatory_, vol. viii., pt. ii.
Some of the measures were made by Messrs. Finlay and de Sitter.]

[Footnote 1583: _Astr. Nach._, No. 3,483; _Observatory_, vol. xxi., p.
180.]

[Footnote 1584: _Annalen der Sternwarte in Leiden_, Bd. vii.]

[Footnote 1585: _Report of Harvard Conference in 1898_ (Snyder).]

[Footnote 1586: _Researches in Stellar Parallax_, pt. ii., 1892.]

[Footnote 1587: _V. J. S. Astr. Ges._, Jahrg., xxviii., p. 117.]

[Footnote 1588: _Bulletin de la Carte du Ciel_, No. 1, p. 262.]

[Footnote 1589: _Publ. of the Astr. Laboratory at Groningen_, No. 1.]

[Footnote 1590: _Nature_, vol. xxvi., p. 177.]

[Footnote 1591: _Proc. R. Irish Acad._, vol. i., p. 571, ser. iii.]

[Footnote 1592: _Mem. R. A. S._, vol. xlvii., p. 178.]

[Footnote 1593: _Astr. Nach._, No. 3,142.]

[Footnote 1594: _Publ. Astr. Pac. Soc._, No. 76.]

[Footnote 1595: Campbell, _Lick Bulletin_, No. 4.]

[Footnote 1596: _Publ. Yerkes Observatory_, vol. i., 1900.]

[Footnote 1597: _Annals Cape Observatory_, vol. ii., pt. ii.]

[Footnote 1598: _Astr. Jour._, Nos. 431-2.]

[Footnote 1599: W. J. Hussey, _Publ. Astr. Pac. Soc._, No. 74.]

[Footnote 1600: _Astr. Jour._, No. 258.]

[Footnote 1601: _Sitzungsberichte_, Berlin, October 26, 1893.]

[Footnote 1602: _Annales de l'Obs. de Nice_, t. ii.]

[Footnote 1603: _Washington Observations_, 1888, App. i.]

[Footnote 1604: _Publ. Lick Observatory_, vol. v., 1901.