CHAPTER I.

PRIMITIVE ASTRONOMY, §§ 1-18 1-20

§ 1. Scope of astronomy 1

§§ 2-5. First notions: the motion of the sun: the motion and phases of the moon: daily motion of the stars 1

§ 6. Progress due to early civilised peoples: Egyptians, Chinese, Indians, and Chaldaeans 3

§ 7. The celestial sphere: its scientific value: apparent distance between the stars: the measurement of angles 4

§§ 8-9. The rotation of the celestial sphere: the North and South poles: the daily motion: the celestial equator: circumpolar stars 7

§§ 10-11. The annual motion of the sun: great circles: the ecliptic and its obliquity: the equinoxes and equinoctial points: the solstices and solstitial points 8

§§ 12-13. The constellations: the zodiac, signs of the zodiac, and zodiacal constellations: the first point of Aries (♈), and the first point of Libra (♎) 12

§ 14. The five planets: direct and retrograde motions: stationary points 14

§ 15. The order of nearness of the planets: occultations: superior and inferior planets 15

§ 16. Measurement of time: the day and its division into hours: the lunar month: the year: the week 17

§ 17. Eclipses: the saros 19

§ 18. The rise of Astrology 20