MAGNETIC SURVEY OF GREAT BRITAIN. 



117 



Mean Dip. 



Place of 

 Observation. 



59-8 



40-5 



2-3 



72 0-2 



Near the Mag- 

 netic Observa 

 tory in the Gar- 

 dens of Trinity 

 College. 



In the garden 

 North of the 

 Observatory 



In an orchard, 

 S.W. by S. true 

 1^ a mile from 

 the Cathedral 



In the grounds of 

 Markree Castle, 

 the demesne of E. 

 J. Cooper, Esq., 

 M.P. 



In the garden of 

 the Hotel. 



In the garden of 

 the residence of 

 the Edgeworth 

 family. 



The next table contains the latitudes an^ longitudes of 

 Captain Ross's Irish stations, and the mean dip at each station. 

 The observations were made in such quick succession that the 

 reduction to a mean epoch is unnecessary. 



Table XXXIX. 



