6ao SCIENTIFIC RESULTS OF ZIEGLER POLAR EXPEDITION 



LATITUDE 



Latitude was determined at Alger Island by the method of circummeridian observations of 

 the Sun, the reductions being carried out in the usual method.* The results are summarized 

 in the following tabulation : 



Summary of latitude observations at Alger Island 



'Spherical and practical astronomy, by William Chauvenet. Philadelphia, 1885, 5th edition. Pp. 233-253. 



