The CONTENTS.

BOOK I V.

Part I. Of the System of the World.

Chap. I. J general Idea of the planetary System. Pag. 149.Chap. II. Concerning the apparent Motion. p. 160.

Chap. III. Qfi the Phænomena or Appearances of the Simfrom the motion of the Earth in its Orbit. p. 164.Chap, IV, Of the Phænomena of the inferior Planets, ari-sing from the Earth’s and their own Motions intheir Orbits. P- I ^ 7 -

Chap. V. Concerning the Phænomena of the superior Pla-nets, arising from their Motions and the Motions ofthe Earth in their refpediive Orbits. P- 1 7 1 •

Chap. VI. Concerning the Phænomena of the Satellites fromtheir Motions in their Orbits, where we Jhall speak .of the Eclipses of the Sun and Moon. p. 1 7 3 -Chap. VII. Of the Phænomena arising from the motion ofthe Sun, the Planets, and the Moon, abouttheir Axes. p. 180.

Chap. VIII. Of the Phænomena which relate lo the Surf aceof the Earth, and its particular Parts. p. 185.

Chap. IX. Concerning the Phænomena arising from themotion of the Axis of the Earth. p. 200.

Chap. X. Concerning the fixed Stars. p. 201.

BOOK IV.

Part II. The Physical Causes of thecelestial Motions.

Chap. XI. Concerning universal Gravity.

p. 206.Chap.