Part 37 (2/2)
[Footnote 941: _Ibid._, p. 21; Mee, _Knowledge_, vol. xviii., p. 135.]
[Footnote 942: _Comptes Rendus_, t. cxxii., p. 967; _Bull. Astr._, August, 1899; _Ann. Bureau des Long._, 1898; _Nature_, vols. lii., p.
439; lvi., p. 280; lix., p. 304; lx., p. 491; _Astroph. Jour._ vol. vi., p. 51.]
[Footnote 943: _Comptes Rendus_, t. xxii., p. 541.]
[Footnote 944: _Phil. Trans._, vol. cxlviii., p. 502.]
[Footnote 945: _Proc. Roy. Soc._, vol. xvii., p. 443.]
[Footnote 946: _Phil. Trans._, vol. clxiii., p. 623.]
[Footnote 947: _Trans. R. Dublin Soc._, vol. iii., p. 321.]
[Footnote 948: _Science_, vol. vii., p. 9.]
[Footnote 949: _Amer. Jour. of Science_, vol. x.x.xviii., p. 428.]
[Footnote 950: ”The Temperature of the Moon,” _Memoirs National Acad. of Sciences_, vol. iv., p. 193, 1889.]
[Footnote 951: _Temperature of the Moon_, p. iii.; see also App. ii., p.
206.]
[Footnote 952: _Trans. R. Dublin Soc._, vol. iv., p. 481, 1891; Rosse, _Proc. Roy. Inst.i.tution_, May 31, 1895.]
[Footnote 953: _Astroph. Jour._, vol. viii., pp. 199, 265.]
[Footnote 954: Airy, _Observatory_, vol. iii., p. 420.]
[Footnote 955: _Phil. Trans._, vol. cxliii., p. 397; _Proc. Roy. Soc._, vol. vi., p. 321.]
[Footnote 956: _Comptes Rendus_, t. lxi., p. 1023.]
[Footnote 957: Professor Darwin calculated that the heat generated by tidal friction in the course of lengthening the earth's period of rotation from 23 to 24 hours, equalled 23 million times the amount of its present annual loss by cooling. _Nature_, vol. x.x.xiv., p. 422.]
[Footnote 958: _Sammtl. Werke_ (ed. 1839), Th. vi., pp. 5-12. See also C. J. Monro's useful indications in _Nature_, vol. vii., p. 241.]
[Footnote 959: _Dynamik des Himmels_, p. 40.]
[Footnote 960: Gould's _Astr. Jour._, vol. iii., p. 138.]
[Footnote 961: _Wash. Obs._ for 1875, vol. xxii., App. ii.]
[Footnote 962: _Comptes Rendus_, t. cxiii., p. 669; _Annuaire_, Paris, 1892.]
[Footnote 963: Newcomb, _Pop. Astr._ (4th ed.), p. 101.]
[Footnote 964: Sir W. Thomson, _Report Brit. a.s.s._, 1876, p. 12.]
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