" 
. 
. 
4 © 
= 7 
‘ 
. 
s 
~ 
- 
. 
ye. 
{ 
1 
EXPLANATION OF PLATE I 
Mies. 1, 2) Meiater==(1)(G20sNol 27!) fae. eee eee 
‘. 
. 
a 
Py 
+ 
i 
