LIST OF ILLUSTRATIONS. 
Prats 1.— Reduced copy of f territory west of the Mississippi river, published with Winterbotham's History in 1796 
PrarE 2, —Reduced copy of بط‎ and bedan s map of the ای‎ west of the Mississippi, 1818 .............. 
Prats 3.—Reduced copy of map of the territory west of the Mississippi river, from Finley’s map of North America, 
published i in 1826 
PLATE 4,—Reduced — a Captain Bonneville's map of the region from the DT mountains to the Pacific, pub- 
lished in 
