PERTURBATIONS OF NEPTUNE'S TRUE LONGITUDE AND RADIUS VECTOR, TO BE APPLIED 

 ACCORDING TO THEIR SIGN TO THE ELLIPTIC VALUES. 



SV^ 



Sr tJJ 



1851, January 1, 



— 12.64 



+ 



0.01308 



" April 1, 



— 15.08 



+ 



0.01333 



" July I, 



— 17.31 



+ 



0.01363 



" October 1, 



— 19.20 



+ 



0.01398 



1852, January 1, 



— 20.75 



+ 



0.01438 



« April 1, 



— 21.94 



+ 



0.01479 



" July 1, 



— 22.80 



+ 



0.01524 



'< October 1, 



— 23.13 



+ 



0.01569 



1853, January 1, 



— 23.01 



+ 



0.01616 



" April 1, 



— 22.56 



+ 



0.01663 



" July 1, 



— 21.57 



+ 



0.01708 



" October 1, 



— 20.09 



+ 



0.01753 



1854, January 1, 



— 18.17 



+ 



0.01793 



Very respectfully, 



Your obedient servant, 



CHARLES HENRY DAVIS. 



