PLATE LXXIII. 



m 



Q 



OC 

 CO 

 > 



X 



z 



< 



< 



X 



a. 

 h 



QC 

 UJ 

 X 



< 

 Q 



< 



UJ 

 Q 



O 

 O 



o 



< 



QC 

 < 

 > 



