44 



In the yea?- 1804, there were but 18 good sets of compa- 

 rative observations of the difference of differences, of j and 

 stars AR's, on the meridians of the observatories of Green- 

 wich and Armagh, which being reduced, gave the following 

 results for the Longitude. 



26/,2S",l 

 15, 



32, 7 

 27, 



33, 2 

 40, 7 



29, 8 



21, 



30, 5 

 27, 2 



9, 6 

 40, 9 

 35, 1 

 S3, 8 

 35, 1 



22, 6 



23, 

 9, 3 



Seconds 494, 6 Lon. from a mean of all these, 26'.27/',45 



For syd. time. + 4. 35 



26. 31, 80 



If the four extreme observations should fee rejected, the Lon. W. will be 26'.3 1",05. 



