Smithsonian Institution, December, 1850. 

 This Ephemeris of the Planet Neptune for the year 1851, prepared for the Nautical Almanac, 

 appears in the Smithsonian Contributions, by authority of the Hon. Wm. A. Graham, Secretary 

 of the Navy. 



Signed, JOSEPH HENRY, 



Secretary of the Smithsonian Institution. 



CHARLES HENRY DAVIS, Lieut., 



Superintendent of the JVautical Almanac. 



