PLATE 113 



n 



bo 

 a 



3 



rr. 



> i 



K r 



K = 



'^ o 



CO a 



•-( J3 - 



fc - •! 



2 



W 

 Q 

 < 



2 



W 





S. a 



e3 



■a 



2 

 o 



a 



.2 

 to 



b> 



