Moon's invisibility at the eclipse in question.

On October 13, 1837, there happened a total eclipse of the Moon, of
which Sir J. Herschel and Admiral W. H. Smyth have left us interesting
accounts.[143] The changes of tint, both as regards times and places on
the Moon's disc, recorded by the latter, are very remarkable. And the
tints themselves varied very much _inter se_: The Admiral speaks of
"copper," "sea-green," "neutral tint," and "silvery," as hues visible in
one part of the Moon or another, and at one time or another.

FOOTNOTES:

[Footnote 122: Dan. ix. 24.]

[Footnote 123: _Histories_, Book v., chap. lxxviii.]

[Footnote 124: _Hist. Rom._, Lib. xliv., cap. 37.]

[Footnote 125: _Antiq._, Lib. xvii., cap. 6, sec. 4.]

[Footnote 126: _Annales_, Lib. i., cap. 28.]

[Footnote 127: _Nat. Hist._, Lib. ii., cap. 3.]

[Footnote 128: _Annales Cambriae_, Rolls ed., p. 8.]

[Footnote 129: _Annales_, Rogerus de Hoveden, Bohn's ed., p. 5.]

[Footnote 130: _Observatory_, vol. xv. p. 224. May 1892.]

[Footnote 131: _Historiarum sui Temporis_, Lib. v., cap. 3.]

[Footnote 132: _Chronica Majora_, Rolls ed., edited by the Rev.
H. R. Luard, vol. ii. p. 161. Another version of this work is in
circulation under the name of Rogerus de Wendover, _Flores
Historiarum_. The passage here quoted appears in vol. i. p. 482,
Bohn's ed.]

[Footnote 133: _History of the Early English Church_, 1870 ed., p.
271.]

[Footnote 134: _Life of Columbus_, p. 247.]

[Footnote 135: _Historia Coelestis_, vol. i. p. xci.]

[Footnote 136: _Astronomiae Pars Optica_, p. 276; _Opera Omnia_, vol.
ii. p. 302; Frisch's edition.]

[Footnote 137: _Historia Coelestis_, vol. ii. p. 921.]

[Footnote 138: _Epitomes Astronomiae_, p. 825; _Opera Omnia_, vol.
vi. p. 482; Frisch's edition.]

[Footnote 139: _Selenographia_, p. 117.]

[Footnote 140: _Historia Coelestis_, vol. i. p. 4.]

[Footnote 141: _Phil. Trans._, vol. lii. p. 210. 1762.]

[Footnote 142: _Cosmos._ Trans. Sabine, vol. iii. p. 356; vol. iv.
p. 483. Bohn's ed.]

[Footnote 143: _Cycle of Celest. Obj._, vol. i. p. 144; transcribed
in G. F. Chambers's _Handbook of Astronomy_, vol. i. p. 329.]

CHAPTER XVII.

CATALOGUES OF ECLIPSES: AND THEIR CALCULATION.

This must of necessity be a brief chapter, so far