40 



A 'cietc of the mean and extreme Results, of the difference of 

 differences ofAR. of the d and the same fixed Stars, observed 

 on the same daij sat the observatories of Greenwich and Armagh, 

 to each of which if A", 2 arc added, the sum will be the difference 

 of longitude of the txco observatories ; taken in the year 1795. 



