A MEMOIR ON CUBIC SURFACES.
381
(/)
(i9)
(A)
0
— n
1
m
(56 = a 8 )
1
n
0
- 1
( 4 = 6 5 )
— m
1
7
0
( 4'=0
0
-(p+P)
*(P + P)
l(P~°)
(35 = a 6 )
2 (p + /3)
m (p — a)
0
~(p + P)
(25 = & 6 )
- (V + P)
n(p — a)
0
(15 = c 6 )
0
2(p + /3)
l(p-a)
p+P
(46 = a 7 )
P + P
0
2 (p+/3)
m(p — a)
(5 =6»)
2 (p + (3 )
n (p - a)
p + P
0
( 5' - c 7 )
0
2l(p-P)
J) — a
-(P-P)
(36 = a 8 )
~(P~P)
0
2m (p - p)
p — a
(26 = 6 8 )
2n (p-(3)
p — a
~(P~P)
0
(16 = c,)
o
P-P
2l(p-P)
2) — a
(45 = a 9 )
2m (p - (3)
p — a
0
P~P
(6 =b 9 )
2?t (j>-0)
2) — a
0
( 6' = c 9 )