M [Clean 



Phil. Tram A. 191. Plate 10 



U 



UJ 

 0. 



CO 



QC 



UJ 



z 



. O 

 2 N 



UJ 



OJ ,K 



o O 



I . '5 I- r\ 



In I U 



o -I 



O S a 



CL 

 < 



cr 

 O 

 O 

 H 

 O 

 I 



CL 



