MAGNETIC FORCE IN IRELAND. 



181 



TABLE I. (Continued.} 



* First six observations, and those of 21st and 23rd of D"ecember, 1835, were made 

 by Captain Sabine : all the others with this needle by Mr. Lloyd. 



t Carlingford, open field east of town. Coleraine, demesne adjoining th 

 spot near river surrounded by tall trees ; local attraction apparently due to basalt. 



