REPORTS OF ASTRONOMICAL OBSERVATORIES. 739 



Work proposed for the coiiiNG year (1881) : 

 Continuation of former series. 



PRmCIPAL PUBLICATIONS OF THE OBSERVATORY DURING THE 

 YEAR (1880) : 



E. Wolf, Astronoinische Mittlieilungen, published in " Vierteljahrs- 

 schrift der Naturforschenden Gesellscbaft in Ziiricli." 

 Additional information : 



The Observatory of the Polytechnikum is mainly used for the prac 

 tical training of the students. The scientific results are voluntary 

 contributions by the director and assistant. 



