50 MR. J. H. JEANS ON THE POTENTIAL OF ELLIPSOIDAL BODIES, AND 



Collecting the terms in V A as calculated in 18, we find 



? / 2 -Z 2 ijN ^ /V\ 



(66) 



os ,- -T- g -- - - 



2c 2 Ju AC 1 A B Ju A 



For brevity in printing, introduce the following notation. Let 



dX T r XfZX T 



: JoAABCT. 



so that, for instance, 



And, for the problem immediately in hand, write further 



T ('A T T 



C l ~ -^ABC = ~\~ \~T3f V ^ 2 = AAC) C 3 = -^AAB) 



J () AAOU 



2 



and as before put _ - - = n, tlien equation (66) becomes 



x 2 (J A w) +T/ 2 (J B 



(68) 



