PLATE 20 
cee ee ee mee oo re we ee we ee ee 



- == 4 p= -- 5 
{| 
a : 
a | 
tant | 
Peay 
Nee ee ee ee Le 



eee eee eee ee ee ee eee eee 
———— ee im fore ae ae see nseer onl mec tear amie ; 
-~+ + 
| ! { 
\ ' 
: i 
\ ! | 
} j 
ral 
{ fy 
! iE ar 
ees yy ee 
ee ee ee ee ee — aS ee ee ee oe ee ae 
en 

