■^ 



ZciLsclirift nirl^uturwissmi.schafteii 18(S3. Bd.Mi. 



Taf. W. 





\ 



IV 



a 



a 



y^^^L 





\^' 





^ .1 



L 



't 





Ä'- 



I h 



■^ *^1 



i.' 



A 



^.' f 



///. 



ff 



t 



//& 



//f/ 



h - 



/ 





r? 



^..^m^\ 



>r/ 



. Zopf a'flnat, (iel. 



E.Laue iith 



