116 



EIGHTH REPORT — 1838. 



to Limerick, the weight of each of the other stations being unity. 

 The results of the calculation are the foUoviihg: 



L = 71° 22'-74, M = +-300, N = +-505. 

 u= -59^ 16^ r=-587. 

 Accordingly, the clip at the central station (latitude = 53° 2V, 

 longitude = 8° 0') is 71° 22'-7 ; the epoch being the 1st Ja- 

 nuary, 1837. 



Captain Ross's Observations of Dip in Ireland. 

 These observations were made at 12 stations, with the needles 

 already designated as R. 4, R. 5, R. 6, R. 7. They are con- 

 tained in the following table. 



Tabj.e XXXVIII. 



