40ii APPENDIX. 



had not been occasioned by accidental circumstances, the 

 rapidity and the mode of travelling contemplated, but more 

 especially the exaggerated reports of the difficulties in the 

 country through which we were to pass, would have left little 

 freedom in the selection, with regard either to number, size 

 or kind. 



June 10. 8" 53' 35" A. M. and 2" 47' 47" 



P. M. Alt. Sim's centre - - 97° 37' 5" 

 Index error — 3' 52" 

 Latitude deduced - - - 41 59 40 



9" 4' 42" A. M. Alt. Sun's centre 101° 18' 15'' 

 2h 47' 47" p. M. Do. do. - 97 37 5 

 Latitude 42 00 6 



Latitude of Chicaaro - - -N. 41° 59' 53" 



*s 



Variation of the compass at Chi- 

 cago, by a mean of two morning 

 amplitudes - - - - E. 6° 12' 00" 



June 16. S" 21' 23" P. M. Alt. Sun's U. L. 44° 36' 40" 

 Index error — 4' 22" 

 Error of watch deduced - - — 0" 2 31 



5h 14' 31" p. M. Dist. Moon and 



Sun 106° 11' 5" 



Longitude deduced* - - - 90 3 00 



5^ 31' 4" P. M. Dist. Moon and Sun 106° 16' 47" 

 Longitude - - - - 90 6 30 



liongitude of Camp on Wassemon 



rivulet - - - - W. 90 4 4: 



• From Greenwich. 



