Solution of a Problem in physical Astronomy. 97 



easy method of deriving the logarithmic terms in the second 

 and third theorems from those in the first, will quickly appear 

 to any one who shall make trial, by a calculation both by the 

 original formula and by those which are given in this paper, 

 or who shall compare the computations of A and B in the first 

 Appendix, with the computations here exhibited. 



MDCCC O 



