256 M. Duperrey's Magiietical Observations, &c. 



At St Catherine's, in south lat. 27° 25 y 36" and west 

 long. 48° 29 / 15.4, the dip was — 22° 47' 7, and the variation 

 6° 2# 14" 7 N. E. In the expedition of M. Roussin in 1819, 

 the variation was 7° 29' 26". 



The following observations were made during the voyage 

 from St Catherine's to the Malouine Islands in October 1822L 



Mean 

 Lat Long. Variation. Mean Dip. • 



40° OS. 37° 39' 45 W. 11° 22 E. — 41° 34' 1 

 46 44 S. 44 23 45 17 21 — 50 58 2 



At the Malouine Isles in November 1 822, in lat. 51° 31' 4&% 

 and long. 58° 3' 54" 7, the variation was 19°^ 19" 7 N. E. 

 and the dip 54° 43 / 3. 



During the voyage from the Malouines to Conception, in 

 Chili, in lat. 57° 52' 17' S., and long. 76° 47' 52" west, the 

 variation was 27° & 22" east, and the dip— 65° 35' 19. 



At Conception, in lat. 36° 42' 18", 48 S. and long. 73° 11' 

 45" west, the variation was 16° 16' 23 N.E.,and the dip.— 44° 

 42/ 



The following observations were made during the voyage 

 from Conception to Lima, in February 1823 : 



The following observations were made in the voyage from 

 Lima to Bayta. 



