Part 27 (1/2)

[Footnote 612: _Ibid._, pp. 60, 314.]

[Footnote 613: Wiedemann's _Annalen der Physik_, Bd. xxv., p. 80.]

[Footnote 614: Evershed, _Knowledge_, vol. xxi., p. 133.]

[Footnote 615: Secchi, _Le Soleil_, t. ii., p. 294.]

[Footnote 616: Lockyer, _Chemistry of the Sun_, p. 418.]

[Footnote 617: _L'Astronomie_, August, 1884, p. 292 (Ricc); see also Evershed, _Jour. British Astr. a.s.s._, vol. ii., p. 174.]

[Footnote 618: Averaging about 100 miles across and 300 high. _Le Soleil_, t. ii., p. 35.]

[Footnote 619: _The Sun_, p. 192.]

[Footnote 620: _Astr. Nach._, No. 1,854.]

[Footnote 621: _Mem. degli Spettroscopisti Italiani_, t. v., p. 4; Secchi, _ibid._, t. vi., p. 56.]

[Footnote 622: Its non-atmospheric character was early defined by Proctor, _Month. Not._, vol. x.x.xi., p. 196.]

[Footnote 623: _Astroph. Jour._, vol. vi., p. 412.]

[Footnote 624: _Ibid._, vol. xi., p. 165.]

[Footnote 625: _Ibid._, p. 243.]

[Footnote 626: _Sun's Place in Nature_, pp. 111, 288.]

[Footnote 627: _Abh. d. Kon. Bohm Ges. d. Wiss._, Bd. ii., 1841-42, p.

467.]

[Footnote 628: In a paper read before the Societe Philomathique de Paris, December 23, 1848, and first published _in extenso_ in _Ann. de Chim. et de Phys._, t. xix., p. 211 (1870). Hippolyte Fizeau died in September, 1896.]

[Footnote 629: _Astr. Nach._, No. 1,772.]

[Footnote 630: _Ibid._, No. 1,864.]

[Footnote 631: A. Cornu, _Sur la Methode Doppler-Fizeau_, p. D. 23.]

[Footnote 632: _Am. Jour. of Sc._, vol. xii., p. 321.]

[Footnote 633: _Ibid._, vol. xiv., p. 140.]

[Footnote 634: _Bull. Astronom._, February, 1884, p. 77.]

[Footnote 635: _Comptes Rendus_, t. xci., p. 368.]

[Footnote 636: _Month. Not._, vol. xliv., p. 170.]

[Footnote 637: See _ante_, p. 147.]