SHIFTING OF THE EARTH'S AXIS 



429 



observations entering into each average. The small circles are con- 

 nected by straight lines. The smooth curves in each case are obtained 

 by combining, by means of a mathematical analysis, the results at all 



Verlauf ' dir Polhohe. aufdcrv einzelnen. Stnlionen.. 



* T • 3 aox» 



Fig. 5. Observations taken at Mizusawa, Tschardjui, Carloforte, Gaithersburg, 

 Cincinnati, Ukiah. (Reading from the top, down.) 



of the stations into a general result, and then from this general result 

 computing the variation of the latitude for each individual station. 

 The vertical distance between any small circle and the smooth curve 

 will be, very nearly, the actual error of the average result represented 



