discovery, even down to the ingredients of their meals and their doses of medicine. It is safe to say that no expedition was ever more fully or accurately reported. Although not a single one of the party possessed literary attainments, there is nevertheless a singular charm about the combined record which has been recognised to this day by repeated editions of the work. It was well understood that the success of the expedition depended largely upon making friends with the Indians, and the explorers were therefore completely fitted out with beads, mirrors, knives, and all manner of trinkets. The summer of 1804 was spent in an easy and uneventful journey of five months up the Missouri to the country of the Mandan Indians, in what is now Dakota. There they determined to winter. The winter was devoted to making the acquaintance of Indians and to collecting botanical and zooelogical specimens, of which they sent President Jefferson a large amount by a portion of the party which now left them and descended the River. And, while speaking of their relations to Indians, it is very interesting to note the attitude Jefferson instructed them to take in respect to the native tribes. He insisted upon a policy of peace and good-will toward all the tribes upon the route. It is observable that Jefferson refers in a most considerate and friendly manner to the Indians, and instructs the explorers to arrange, if possible, to have some of the more important chiefs induced to come back with the explorers to the city of Washington. He also points out the desirability of urging any bright young Indians to receive such arts as might be useful to them when in contact with the white men. Jefferson even goes so far as to advise the explorers to take along vaccine matter that the Indians might be instructed in the advantages of vaccination. A number of medallion medals were made that were intended to be given as presents to Indian chiefs, the inscription of which was "Peace and Friendship," with the design of clasped hands. These medals, it may be remarked, seem to have been prized by the Indians as among their greatest treasures. Several of them have been found in Indian graves; one even in a grave of the Nez Perce Indians in Idaho. While among the Mandans, the expedition was joined by the most attractive personage in it, that is to say, Sacajawea. This young Indian woman, the only woman in the expedition, seems to have furnished the picturesque element in the composition of the party, and she has in later days become the subject of great interest on the part of students of Pacific Coast history. [Illustration: Mt. Adams from the South. Photo. by W. D. Lyman.] On April 7th, everything was in readiness for resuming their journey up the River. The explorers embarked again in a squadron of six canoes and two pirogues.