4 



more interesting, but which is as yet imperfectly 

 known. With this view, you will permit nothing wor- 

 thy of notice, to escape your attention. You will as- 

 certain the latitude and longitude of remarkable points 

 with all possible precision. You will if practica- 

 ble, ascertain some point in the 49th parallel of lati- 

 tude, which separates our possessions from those of 

 Great Britain. A knowledge of the extent of our limits 

 will tend to prevent collision between our traders and 

 theirs." 



" You will enter in your journal, every thing inter- 

 esting in relation to soil, face of the country, water 

 courses and productions, whether animal, vegetable, 

 or mineral." 



" You will conciliate the Indians by kindness and 

 presents, and will ascertain, as far as practicable, the 

 number and character of the various tribes, with the 

 extent of country claimed by each." 



" Great confidence is reposed in the acquirements 

 and zeal of the citizens who will accompany the Expedi- 

 tion for scientific purposes, and a confident hope is en- 

 tertained, that their duties will be performed in such a 

 manner, as to add both to their own reputation and 

 that of our country." 



" The Instructions of Mr. Jefferson to Capt. Lewis, 

 which are printed in his travels, will afford you many 

 valuable suggestions, of which as far as applicable, you 

 will avail yourself." 



It will be perceived that the travels and researches 

 of the Expedition, have been far less extensive than 



