256 



REPORT 1861. 



Table I, (continued). 



Table I. (continued). 



Table II. recapitulates the stations of observation, with their latitudes and 

 longitudes taken from the maps of the Society for Diffusing U-^eful Know- 

 ledge, and the mean dips at the rp.«pective epoclis of observation given in 

 Table I. reduced to the mean epoch of January 1st, I860, by the propor- 

 tional parts of the annual change according to the rates assigned in a sub- 

 sequent page ('261). 



