Don George Juan, who sailed from Callao, with 

 the Delivrance, as commander of the Lys, another 

 French frigate, made the toUowing observations. 



SouthLatitude. Long. fromCallao. Variations and their 



kinds. 



On the coast of Valparaiso, 

 33 20 005 00 12 SO 



The sensible difference between these variations 

 . arose from the difference of the needles, by which they 

 were observed ; and the reasons for thatdifi^rence have 

 been considered in another place. 



The difference of the meridians between Callao and 

 Conception, appears from the series of observations 

 made by us at Lima, and those by father Fevillee, at 

 the same place, to be 3° 58' which is the eastern dis- 

 tance of conception from Callao, yet in the maps of 

 this country it i« placed eight or nine degrees to the 

 eastward, a mistake proceeding from a want of atten* 



tion 



