652 
Hence 
or 
and 
But 
MR. W. M. HICKS ON TOROIDAL FUNCTIONS. 
4-1^/ . ^ n f“ cos nv 7 
ttAJP !.„+ 2 /ittS —7; n 7 c =0 
Jod- — Of 
li}l ^ a c i v (Q —o 
A ,.=^d(2«+l)(Q' 0 ,, +1 -CQ' 0 .») 
A »=^-(QV,-CQ'o,) 
A 40 r 1.0 
From the first of (32«) 
sr,»=P„., Tl -cp 0 .,= s f| T |(P 0 .„) 
which enables us to write the above in several ways. As before, the densities of 
electricity induced at points (u.0 .0) and (u'.tt.Q) are easily found.] 
