SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE. 



2G2 ■ 



AN 



INVESTIGATION 



or THE 



ORBIT OF URANUS, 



WITH GENERAL TABLES OF ITS MOTION. 



BY 



SIMON NEWCOMB, 



PKOFESSUR OF MATHEMATICS, U.NITED STATES KAVT. 



[ACCEPTED FOR PnBLICATION, FEBRDAKT, 1873.] 



