Unci. 



Eiul. Ect. 

 Ect.Cfh. 



Sup Couv. 



Ed. Ck,. 



Fia. Z8. 



m 



Fixf. 



:Z9. 



End,.— —A 



Mo 



»■ m 



Fig. 35. 



Spz 



Fig. 3b. 



GtTh.C. 



Fig. 



. Jo 



A B 



Geib.C. 



.H.Ashworth del. 



