To face p. 18, 
s Seat anp Younc. 
WEDDELL’ 
3 
a 
p 
° 
a 
m 
I 
La! 
o 
A 
a 
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is) 
pb 
m 
a 
<q 
a 
RM 
2 
a 
re 
| 
fa) 
a 
E 
14 
Fic. 
Fig. 15. 
