CASE 



PLATE 11 



CO 



o 5 

 x 



_o 



-G S 



- 



3 



?< CO 



!- O 

 ^J I] 

 -JS 



o 



2 



II 



5 "c 



CO 



4-l 



o 



C 



o j 



+3 oS 



S t; 



d 3 



-U CO 



s 



1 a 



