[136] Astronomiæ Pars Optica, p. 276; Opera Omnia, vol. ii. p. 302; Frisch’s edition.

[137] Historia Cœlestis, vol. ii. p. 921.

[138] Epitomes Astronomiæ, p. 825; Opera Omnia, vol. vi. p. 482; Frisch’s edition.

[139] Selenographia, p. 117.

[140] Historia Cœlestis, vol. i. p. 4.

[141] Phil. Trans., vol. lii. p. 210. 1762.

[142] Cosmos. Trans. Sabine, vol. iii. p. 356; vol. iv. p. 483. Bohn’s ed.

[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.