APPENDIX. 409 



necessary to complete the de- 

 gree, carefully measured from 

 the spot, at which the altitudes 

 were taken. 



No stars, bearing north, were ob- 

 served, because, either their alti- 

 tudes were too great at the time 

 of culminating, or the weather 

 was unfavourable. 



Variation of the compass at Pem- 

 bina, by a mean of two evening 

 amplitudes ... - E. 13M7'25" 



Aug. 12. Mer. Alt. Sun's U. L. - - 111° 35' 45" 



Indexerror — 4' 18" - - 49 35 55 



— 45 



Latitude of the mouth of Muskrat 

 River N. 49° 35' 10" 



Aug. 13. Mer. Alt. Moon's U. L. - - 31° 57' 00" 

 Index error — 3' 52" 

 Latitude deduced - - - 49 53 22 



Mer. Alt. Star «. Aquilse - - 97° 8' 00" 

 Latitude 49 53 SO 



Aug. 15. Mer. Alt. Sun's U. L. - - 109° 10' 00" 

 Index error — 4' 15" 

 Latitude 49 53 47 



A«g. 16. Mer. Alt. Sun's U. L. - - 108° 32' 30" 



Index error — 4' 7" 

 Latitude - - - - - 49 53 41 



Latitude of the mouth of Assini- 

 boin River ... - N. 49° 53' 35" 



