TABLE OF CONTENTS.

VOLUME THE SECOND.

BOOK IV.

Of the Theory of Universal Gravitation.

CHAP. I.

Of the Principle of universal Gravitation......

CHAP. II

Of the Masses of the Planets, and of the Law of

Gravity at their Surface....

CHAP. III.

Of the Perturbations of the Elliptic Motion of the

Planets

CHAP. IV.

Of the Perturbations of the Elliptic Motions of

the Comets

CHAP. V.

4

27

37

59

Of the Perturbations of the Motions of the Moon 96

CHAP. VI.

Of the Perturbations of Jupiter's Satellites.... 67

VOL. II.

b

Of the Figure of the Earth and Planets, and the

Law of Gravity at their Surface...

CHAP. VIII.

Of the Figure of Saturn's Ring.

CHAP. IX.

Of the Atmosphere of the celestial Bodies....

CHAP. X.

114

139

145

Of the Ebbing and Flowing of the Sea........ 151

CHAP. XI.

Of the Stability of the Equilibrium of the Sea... 189

CHAP. XII.

Of the Oscillations of the Atmosphere.....

CHAP. XIII.

Of the Precession of the Equinoxes, and the Nu-

tation of the Axis of the Earth.....

CHAP. XIV.

Of the Libration of the Moon............

192

196

217

CHAP. XV.

Reflections on the Law of Universal Gravitation 225

CONTENTS.

iii

BOOK V.

Abridgment of the History of Astronomy. 239

CHAP. I.

Of the Ancient Astronomy, as far as the Epoch

of the Foundation of the Alexandrine School

CHAP. II.

Of Astronomy, since the Foundation of the Alex-

andrine School, to the Arabians.....

CHAP. III.

Of the Astronomy of the Arabians, the Chinese,

241

259