THEORY 



OF THE 



MOTION OF THE HEAVENLY BODIES MOVING ABOUT 

 THE SUN IN CONIC SECTIONS: 



A TRANSLATION OF 



GAUSS S &quot;THEORIA MOTUS.&quot; 



WITH AN APPENDIX. 



BT 



CHARLES HENRY DAVIS, 



COMMANDEB UNITED STATES NAVY, SUPERINTENDENT OF THE AMERICAN EPHEMERIS AND NAUTICAL ALMANAC. 



BOSTON: 

 LITTLE, BROWN AND COMPANY. 



1857. 



