w 
J 
J 
s 
< 
b 
< 
J 
U 
a 
O 
< 
w 
00 
c/2 
, U 
a 
H 
W 
c/2 
W 
Z 
w 
a 
C/2 
W 
a 
C/2 
U 
U 
•w 
a 
C/2 
W 
— 231 — 
