412]
A MEMOIR ON CUBIC SURFACES,
363
13. It will be convenient (anticipating the results of the investigations contained
in the present Memoir) to give at once the following Table of Singularities; the
several symbols have of course the significations explained in the former Memoir.
to”
o'
to" «
<m O
« to'
to'
i
o CT
to"
<N to
CO IQ
to to
dT
CO
H zo
to PCI
to®
CM
to" to
to"
o 1
i i
of to“
§T to®
af
CO
rH
1
1
1 1
l l
1
1 1
1
i
i i
1
1
i i
i i
1
rH
CM*
<M
<M
CM CM
CM <M
CM
CM CM
CM
cm
<m
(M CM
CM
tH
i—1
T—1
rH i—1
r—1 r—1
rH
t—1 rH
1—1
1-H rH
rH
rH rH
tH
Co
to
II
II
II
II II
II II
II
II II
II
II
II II
II
II
ii ii
II II
II
II
II
hH
i> _
hH
hH hH
hH
hH
hH
hH
¡Xj
H ¡>
H HH
>
hH
P>
hH
£ 8
hH
hH
O X
hH
XI
hH
hH
X
hH
hH
XI
hH
hH
hH
►h >
> >
>
X
hH
X x
X
X
X X
>4 X!
X
X
X
Y
n
3
3
3
3
3
3
3
3
3
3
3
3
a
6
6
6
6
6
6
6
6
6
6
6
4
5
0
1
0
2
1
3
0
2
4
1
0
0
K
6
6
7
6
7
6
8
7
6
8
9
3
b
0
0
0
0
0
0
0
0
0
0
0
1
k
0
0
0
0
0
0
0
0
0
0
0
0
t
0
0
0
0
0
0
0
0
0
0
0
0
Q
0
0
0
0
0
0
0
0
0
0
0
0
P
0
0
0
0
0
0
0
0
0
0
0
1
j
0
0
0
0
0
0
0
0
0
0
0
2
c
0
0
0
0
0
0
0
0
0
0
0
0
h
0
0
0
0
0
0
0
0
0
0
0
0
r
0
0
0
0
0
0
0
0
0
0
0
0
(T
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
0
0
P
0
0
0
0
0
0
0
0
0
0
0
0
y
0
0
0
0
0
0
0
0
0
0
0
0
i
0
0
0
0
0
0
0
0
0
0
0
0
c
0
1
0
2
1
3
0
2
4
1
0
0
B
0
0
1
0
1
0
2
1
0
2
3
0
I
II
III
IV V
VI VII
VIII X XI XII
IX
XIII XIV XV
XVI XVIII XIX
XVII XX
XXI
XXII XXIII
n'
12
10
9
8
7
6
6
5
4
4
3
3
a!
6
6
6
6
6
6
6
6
6
6
6
4
5'
0
0
0
0
0
0
0
0
0
0
0
0
K
9
9
9
9
9
9
9
9
9
9
9
3
b'
27
15
9
7
3
3
0
1
3
0
0
1
k'
216
60
18
12
3
0
0
0
0
0
0
0
t!
45
15
6
3
0
1
0
0
1
0
0
0
<l'
0
0
0
0
0
0
0
0
0
0
0
0
27
15
9
7
3
3
0
1
3
0
0
1
j'
0
0
0
1
0
3
0
1
6
0
0
2
c'
24
18
16
12
10
6
8
4
0
2
0
0
h'
180
96
72
38
24
6
12
2
0
0
0
0
r'
30
24
42
17
24
9
32
5
0
2
0
0
(r'
12
12
12
10
9
6
8
4
0
2
0
0
6'
0
0
16
0
8
0
16
0
0
0
0
0
x
0
0
0
0
1
0
0
2
0
2
0
0
P'
54
30
18
13
6
3
0
1
0
0
0
0
y'
0
0
0
0
0
0
0
0
0
0
0
0
V
0
0
0
0
0
0
0
0
0
0
0
0
C'
0
0
0
0
0
0
0
0
0
0
0
0
B'
0
0
0
0
0
0
1
0
0
1
3
0
