378 
TABLES OF COV ARI ANTS OF THE BINARY SEXTIC. 
[775 
+ 16 
E = (8, 8, 8) 3 8 to 10 (x, yf, 
F=a, 7, 8, 8, 8, 7, 7) 3 6 to 12 (x, y)\ 
G = (5, 7, 7, 8, 8, 8, 7, 7, 5) 3 5 to 13 (x, y) s , 
H = (3, 4, 5, 7, 7, 8, 8, 8, 7, 7, 5, 4, 3) 3 3 to 15 (a, y) 12 , 
/ = (18) 4 12 (#, y)°, Invt., 
J = (16, 16, 18, 16, 16) 4 10 to 14 (x, y)\ 
K = (14, 16, 16, 18, 16, 16, 14) 4 9 to 15 (x, iff, 
X = (10, 13, 14, 16, 16, 18, 16, 16, 14, 13, 10) 4 7 to 17 (x, y) 10 , 
M = (32, 32, 32) 5 14 to 16 (x, y)\ 
N={30, 32, 32, 32, 30) 3 13 to 17 (x, y)\ 
0 = (25, 29, 30, 32, 32, 32, 30, 29, 25) 5 11 to 19 (x, y) 8 , 
P = (58) 6 18 (x, y)°, Invt., 
Q = (51, 55, 55, 58, 55, 55, 51) 6 15 to 21 (x, y)\ 
R = (51, 55, 55, 58, 55, 55, 51) 6 15 to 21 (x, y) 6 , 
S = (94, 94, 94) 7 20 to 22 (x, ij)% 
T = (90, 94, 94, 94, 90) 7 19 to 23 (x, y)\ 
U = (147, 151, 147) 8 23 to 25 (x, y)\ 
V = (221, 227, 227, 227, 221) 9 25 to 29 {x, y)\ 
W = (338) 10 30 (x, y)°, Invt., 
X = (332, 338, 332) 10 29 to 31 (x, y)\ 
Y = (668, 676, 668) 12 35 to 37 (x, y)\ 
^ = (1636) 15 45 (x, 2/)°, Invt. 
A = ( yf 
X 6 
x’y 
Fy 1 
X J ]f 
x ?/ 5 
f 
a + 1 
6 + 6 
c + 15 
(7+20 
e + 15 
/+ 6 
9 + 1 
P = ( y)\ Invt - 
ag + 1 
If - 6 
ce + 15 
d* - 10