Tijdsclii-ift (Ier \i'd. Dioi-k. Vuitimi., '.''Ii' SitIi', Dl. XVI. 



Taf. IT. 



Fier. 22 



,•»«--- 



/^-:*, 



ri(T.24 



Fier. 2 5 



A 



Fij.26 



B 



-1- ' ^-^^ 





Fiq. 31 



\Jk 



\.jy' 



Fij. 30 



^' 



Fiq.32 



