PLATE XXII. 





ii! 



O O 03 



*o o* *o 



r 3 



Sag 

 < I 



ft 2 £ 



= c i 



I 1 



■a' I 



S (JO 



ra f" "■ >< 



Q. . . O 



s o. S a 



o ■- a 

 =" t t 



S *§ tt 



