volume XXV.--ED.

[31] The French-Canadian engagés applied the term "Bad Lands" to many parts of the West. Those districts now usually thus designated, are in the valley of the Little Missouri in North Dakota. The Montana stretch here mentioned is in Dawson and Valley counties, and an outlying spur of this peculiar formation.--ED.

[32] See Plate 70, in the accompanying atlas, our volume xxv.--ED.

[33] The Musselshell, a principal southern tributary of the Missouri, rises east of the Big Belt Mountains, and flows east and north-east, parallel to the Yellowstone; it thence makes an abrupt turn northward into the Missouri. Lewis and Clark give its Indian name as "Mah-tush-ahzhah."--ED.