Astronomical and Meteorological Records, ^c. xli 



Camp on the Canadian river, fifteen miles above its mouth. 



Sept. 9, 1820. 



Meridian double altitude of? 

 sun's lower limb 3 



Index error — 4'. Lat. deduced 



120° 13' 00" 



54 50 15 N. 



Observations made on the Jfkansa river, at Fort Smith, Belle Point, 



situated at the confluence of the Jlrkansa and Poteau rivers. 

 Sept. 14, 1820. Meridian double altitude of 

 sun's lower limb 



Sept. 15, 1820. 



Sept. 16, 1820. 



Index error — 4' 

 deduced 



Latitude 



Meridian double altitude of 

 sun's lower limb 



Index error — 4'. Latitude 

 deduced 



Meridian double altitude of 

 sun's lower limb 



Index error — 4'. Latitude 

 deduced 



Mean latitude of Belle Point 



54 50 54 N. 



Equal altitudes of Sun to find error of ivatch, at noon. 



Sept. 15, 1820. 



Time from Noon, 

 A. M. 



3" 41' 21" 

 3 38 35 



Time from Noon, 

 P.M. 



3" 36' 32' 

 3 33 46 



Error of Watch. 



2' 47" fast. 

 Mean time. 



v3 mean of seven lunar distances and times correspondent — nearest 

 limbs of Sun and Moon. 



Sept. 15, 1820. 



Allowance for error of watch as usual. Longitude by account, 

 6^ 18' west of Greenwich. 



Longitude of Belle Point deduced from the foregoing data, 6'' 17' 

 24", or 94° 21' 00" west of Greenwich. 



END OF PART II. 



Vol. IL 



