sc 



\~~rn 



I7a 



-7 



snt 



/ 



en 7 " ? C 





17 ti 



nv 



H7e 



ht 



mx 



9'.. 



QttJ 



DQ 



18 

 PLATE XXIV. i~a-i/g, STAGE XIV; 76', STAGE XV; IQ, STAGE XVI. 



