, l-wnsch, Zeitsdtrift, Bd .1.1727 T„ I II 



Fiq. I. 



Fiq. y. 



Fig. 6. 



Fiff. 8 



Fia. 9. 



Fiff. ? 



Fiff :: 



/ • • 



- 



Fif,. 5. 



Fig. '/ . 



