64 HIS FIRST JOURNEY ACROSS THE PRAIRIES 



of these notes (Horetzky) to make a reconnaissance of that pass, 

 and ascertain as nearly as possible its actual elevation. With 

 this object in view, I left Edmonton in the beginning of Septem- 

 ber, 1872, accompanied by Dr. Macoun, an eminent botanist, 

 en route for the Pacific coast." 



