MKMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



75 



Determining the constants by the condition that for t = o, the date of osculation, nz = g , 

 v = o, j. = 1, 37 = o, m = o, and -5- = o, we have as final perturbations — 



Epoch=1872, Nov. 2.0, Greenwich M. T. ; «.~ = 108o 30' 11" A + 775".93288i + ndz. 



