Vei^hand hm iron 



(1er 



Natiuibrsclicndon (iesellscliaft 



m 



BASEL 



Sechster Thoiî. Yiorfos lieft. 



Basel. 



S (j 11 w e i g 1 1 a n s r i s 1 1 c V e r l a g s b 11 c 1 1 1 1 a n 1 1 1 u n g . 

 1S78. 



