REPORTS OF ASTRONOMICAL OBSERVATORIES. 737 



Work proposed for tue co:.iing year (1881): 

 Same as 1880. 



Principal publications of the Observatory during the 

 YEAR 1880: 



1. "Meteorologiselie Beobachtungen," published in the "Amialeii (k'l 

 Hydrographie," vol. viii. 



"Gezeiteu Tafelii fiir 1881," published by the Hydrogiaphic Ollice of 

 the Admiralty. 



3. Dr. Borgen: "Gezeitenstromungen iin Canal uud der Xordsee/' 

 published in the "Anualeii der Ilydrographie," vol. viii. 



4. Dr. Borgen: " Ueber die tagliche Ungleichheit in deii Gezeiten," 

 published in the "Annalen der Ilydrographie," vol. viii. 



5. Dr. Borgen: "Chronometer Untersuchungen, 1878-1880," pub- 

 lished in the "Annaleu der Hydrographie," vol. viii. 



6. Dr. Andries: "Ursache des niedrigen Luftdrucks auf der Siid- 

 hemisphare," published in the "Zeitschrift fiir Meteorologie," vol xv, 

 p. 53. 



Additional information: 



A time-ball falls twice daily, in local and in Greenwich noon. Be- 

 sides, the nautical school at Elstieth receives twice a week telegraphic 

 time-signals. 



The "Gezeiten Tafeln" are computed at the Observatory and extend 

 now to 7 German, 6 British, and 2 French ports. The second part, con- 

 taining information about currents, &c., is worked out at the Hydro- 

 graphic Office of the Admiralty, which publishes the whole. 



WiLLiAMSTOWN, VictoHa. 



Observatory. (See Melbourne.) 



Longitude from Greenwich, 9^ 39°^ 38^.8 E. 

 Latitude, 37° 52' 7".2 S. 

 Director: ? 



WiLNA, Russia. 



See Vihia. 



Windsor, Xeiv South Wales. 

 Private Observatory. 



Longitude from Greenwich, 10^^ 3"^ 21».7 E. 

 Latitude, 33o 36' 28".9 S. 

 Director: John Tebbutt 

 S. Mis. 31 47 



