Part 35 (1/2)

[Footnote 821: _Memoirs Amer. Acad._, vol. xii., No. 4, p. 464.]

[Footnote 822: _Hist. de l'Astr._, p. 682.]

[Footnote 823: _Comptes Rendus_, t. xlix., p. 379.]

[Footnote 824: _Comptes Rendus_, t. l., p. 40.]

[Footnote 825: _Ibid._, p. 46.]

[Footnote 826: _Astr. Nach._, Nos. 1,248 and 1,281.]

[Footnote 827: _Comptes Rendus_, t. lx.x.xiii., pp. 510, 561.]

[Footnote 828: _Handbuch der Mathematik_, Bd. ii., p. 327.]

[Footnote 829: _Comptes Rendus_, t. lx.x.xiii., p. 721.]

[Footnote 830: _Nature_, vol. xviii., pp. 461, 495, 539.]

[Footnote 831: Oppolzer, _Astr. Nach._, No. 2,239.]

[Footnote 832: _Ibid._, Nos. 2,253-4 (C. H. F. Peters).]

[Footnote 833: _Ibid._, Nos. 2,263 and 2,277. See also Tisserand in _Ann. Bur. des Long._, 1882, p. 729.]

[Footnote 834: See J. Bauschinger's _Untersuchungen_ (1884), summarised in _Bull. Astr._, t. i., p. 506, and _Astr. Nach._, No. 2,594. Newcomb finds the anomalous motion of the perihelion to be even larger (43”

instead of 38”) than Leverrier made it. _Month. Not._, February, 1884, p. 187. Harzer's attempt to account for it in _Astr. Nach._, No. 3,030, is more ingenious than successful.]

[Footnote 835: _Jour. des Scavans_, December, 1667, p. 122.]

[Footnote 836: _elemens d'Astr._, p. 525. Cf. Chandler, _Pop. Astr._, February, 1897, p. 393.]

[Footnote 837: _Beobachtungen uber die sehr betrachtlichen Gebirge und Rotation der Venus_, 1792, p. 35. Schroter's final result in 1811 was 23h. 21m. 7977s. _Monat. Corr._, Bd. xxv., p. 367.]

[Footnote 838: _Astr. Nach._, No. 404.]

[Footnote 839: _Rendiconti del R. Ist.i.tuto Lombardo_, t. xxiii., serie ii.]

[Footnote 840: _Astr. Nach._, No. 3,304.]

[Footnote 841: _Bothkamp Beobachtungen_, Heft ii., p. 120.]

[Footnote 842: _Comptes Rendus_, t. cxi., p. 542; t. cxxii., p. 395.]

[Footnote 843: _Month. Not._, vol. lvii., p. 402; _Astr. Nach._, No.

3,406.]

[Footnote 844: _Mem. Spettroscopisti Italiani_, t. xxv., p. 93; _Nature_, vol. liii., p. 306.]