PLATE 178. 



^V ^^"?' 



-^^:S^= 



W 



2 



W 

 w 



o 



< 



H 



O 



u 



< 



oa 



2 



< 



Q 

 2 



h 

 W 



w 



DC 



F t 



XI 



a 



M 



h 

 D 

 O 

 O 



< 



pa 



2 



Qti 

 W 

 E 

 H 



O 

 2 



W 



« = 







H 

 hJ 

 e 





