460 
ME.  A.  CAYLEY’S  EIFTH  MEMOIE  LPOX  QrAXTICS. 
It  is  now  very  easy  to  obtain  the  cubinvariant,  which  is 
No.  50  bis. 
+ 1 
agm 
— 54 
cfl 
+ 270 
dhi 
- 6 
ahl 
+ 24 
cgk 
-135 
e^k 
+ 15 
aik 
+ 150 
chj 
+ 270 
«fj 
-10 
af 
— 135 
cr 
+ 495 
egi 
- 6 
hfm 
- 10 
cPm 
— 540 
eh‘ 
+ 30 
hgl 
+ 30 
del 
-540 
/■*■ 
-54 
bhk 
+ 150 
dfh 
+ 720 
fg^ 
+ 30 
bij 
— 430 
% 
—280 
9^ 
+ 15 
cem 
