Part 51 (2/2)

[Footnote 1291: Bredikhine, _Annales_, t. viii., p. 68.]

[Footnote 1292: _Am. Jour. of Sc._, vol. xxii., p. 305.]

[Footnote 1293: Messrs. Burton and Green observed a dilatation of the stellar image into a nebulous patch by the transmission of its rays through a nuclear jet of the comet. _Am. Jour. of Sc._, vol. xxii., p.

163.]

[Footnote 1294: _Archives des Sciences_, t. viii., p. 535. _Cf._ Perrine's negative results for Swift's comet in 1899, _Astr. Nach._, No.

3,602.]

[Footnote 1295: Riem concluded in 1896 for a definitive period of 2,429 years; _Observatory_, vol. xix., p. 282.]

[Footnote 1296: Holden, _Publ. Astr. Pac. Soc._, vol. ix., p. 89.]

[Footnote 1297: _Annuaire_, Paris, 1882, p. 781.]

[Footnote 1298: _Annuaire_, 1882, p. 766.]

[Footnote 1299: _Am. Jour. of Sc._, vol. xxii., p. 134.]

[Footnote 1300: _Report Brit. a.s.soc._, 1881, p. 520.]

[Footnote 1301: _Month. Not._, vol. xlii., p. 14; _Am. Jour. of Sc._, vol. xxii., p. 136.]

[Footnote 1302: Piazzi Smyth, _Nature_, vol. xxiv., p. 430.]

[Footnote 1303: _Astr. Nach._, No. 2,395.]

[Footnote 1304: _Ibid._]

[Footnote 1305: _Astr. Nach._, No. 2,411.]

[Footnote 1306: _Month. Not._, vol. xlii., p. 49.]

[Footnote 1307: _Astr. Nach._, No. 2,414.]

[Footnote 1308: _Copernicus_, vol. ii., p. 229.]

[Footnote 1309: _Astr. Nach._, Nos. 2,434, 2,437.]

[Footnote 1310: _Ibid._, No. 2,441.]

[Footnote 1311: _Report Brit. a.s.soc._, 1882, p. 442.]

[Footnote 1312: J. J. Parsons, _Am. Jour. of Science_, vol. xxvii., p.

34.]

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