CONTENTS. 



PART I. ASTRONOMY. 



PAGE 



1. Lectures on the Lunar Theory ....... 1 



LECT. 



I. Historical Sketch ........ 3 



II. Accelerations of the Moon relative to the Earth ... G 



III. The Sun's coordinates in terms of the time . . . 12 



IV. The Variation 15 



V. The Variation (continued) . . . . . . . 19 



VI. The Variation (continued) . . . . . . . 24 



VII. Correction of approximate solutions . . . . . 29 



VIII. The Parallactic Inequality . . . . . . . 33 



IX. The Parallactic Inequality (continued) . . . . 38 



X. The Annual Equation ........ 41 



XI. The Equation of the Centre and the Evection . . 46 



XII. The Evection and the Motion of the Apse . . . . 51 



XIII. The Motion of the Apse, and the Change of the Eccentricity 58 



