— 355 — 
NOTATIONS. 
Rapports des 
caractéristiques. 
log. M 
Zo<ju=0,0'118H0 
A 
l 
T 
h 
17 
dJ 
19.17.15 
1,1176 
0,8824 
1,1820118 
s = 1,02764 
2s —2,05528 
b J 
9.8.10 
1,1250 
1,2500 
1,1224649 
3s - 3,08292 
ocl 
î i î 
d ¥ d Y 
16.14.3 
1,1429 
0,2143 
1,1876020 
4s —4,11056 
5s —5,13820 
d 7 
876 
1,1429 
0,8571 
0,9865525 
6s — 6,16584 
&8 
1 1 1 
879 
1,1429 
1,2857 
1,0734342 
7s-7,19348 
8s —8,22112 
t 
^ 5^ 
23.20.2 
1,1500 
0,1000 
1,3374813 
9s - 9,24876 
l 1 1 
U' 
dJ 1 dP b ** 
38.33.1 
1,1515 
0,0303 
1,5536097 
19 
dJ 
22.19.16 
1,1579 
0,8421 
1,4194484 
d 6 
765 
1,1667 
0,8333 
0,9184499 
b"‘ 
768 
1,1667 
1,3333 
J ,0182525 
15 
b* 
15.13.11 
1,1818 
1,3636 
1,2548327 
X 
1 1 
651 
1,2000 
0,2000 
0,7527625 
dp 
654 
1,2000 
0,8000 
0,8380826 
5 G 
657 
1,2000 
1,4000 
0,9551904 
ANNALES SOC. GÉOL. DE BELG. T. XYI, 
MÉMOIRES, 25. 
