THK OH BIT OF URANUS. 



'' /'' _ "' '' /. i .-\ /.- i ."\ 



;/>' 



71 





COS 



i i; d'R 



'If m' oh ,. . ... __ 



. i= - (* 4- j)sm /V 

 <9v<9p en dr> v 



r'// 



All the numerical data necessary for the computation of these derivatives have 

 IKTII -jivi-ii in C'hapter II. Combining the terms having the same argument, we 

 find the following values, omitting those given in Chapter II, and those which 



d"'R 



are di ri\cd from the others by mere addition. The terms of -- r are a ^ 8 omit- 



tnl, because they are sensibly the same with those of 

 braic sign. 



(9-72 



, changing the alge- 



