298 



PROFESSOR A. G. GREENHILL ON THE 



72 



6 



& 2 + L v/(&l- 66 2 + 1) 

 2 v/26 



v/(6 2 + 2 x /26 + 1) v/(& 3 - 2 v/26 4- 1) 

 2 vV2 v/6 



26' 



(6 - IjVft 8 ^ l+_v/|F+ 1) (6 2 -"26"- l) 



26* 



(6 4- l) v/P^'26"--! - (6 - l) v/6 2 -^26 ^T 

 (6 4-1) v/6 2 4- 26 - 1 + (6 - 1) v/6 2 - 26 - 1 



(6 -J) v/6 2 4 26^1 4- (6 4 1) v/6 2 -26-1 

 " 2 v/6 4 ^^! 



(641) v /6* 4- 26 - 1 - (6 - 1) v/6 2 -26-1 

 2 -/&*- 1 



(6-1) y/6 2 4- 26~-^"i -(641) v/6 2 -26-1 

 (6-1) v/6 2 4- 26 - 1 4 (6 + 1) v/6 2 -T~2&"^"i 



(6 - l) v/Z^TTfe ^1 - (6 4- 1) v/P^'26^- l 



2 v/6 4 -I 



(6__1) v/6M^26 - 1 +(6_- 1) v/6 2 - 26 - 1 

 2v /F^t 



6 2 4- 1- V6 4 ^^66 ir 4- l 

 6 2 + l 4- v/F- 66 2 T 1 



6 2 + l 4- ^6*^668"+! 

 2 (6 2 - i) 



6 s + 1 - v/6 4 - 66 2 + I 

 2 (& a - l) 



v/o 



\/o 



dn|K' 



sn^K' 

 onJK' 

 dnfK' 

 cnfK' 

 snfK' 



cn^K' 



