Acoma visited and described by the Spaniards, 35, 39 (_note_); further description, 42, 43; mission church of, 52. Adams, John Quincy, defends the right of petition, 248. Alamo, The, 243, 246 (_note_). Alaska, settlements in and purchase of, by the United States, 142 (_note_). Aleutian Archipelago discovered, 141; beginnings of the fur-trade at, 141; settlements, 142 (and _note_). Allouez, Fr. Claude, goes to Lake Superior, 77; goes with Dablon to the Wisconsin River, 78. American Fur Company organized, 212. Apaches of New Mexico, 255. Arizona, missions in, 38; the name, 39 (_note_). Arizona bought of Mexico, 288, 289. Arkansas nation, Joliet and Marquette visit them, 89; towns, 90, 92 (_note_); called "handsome men," 91. Arkansas Post in 1803, 178. Arkansas River, settlement begun on, 127. Arkansas Territory settlements (1819), 222, 223 (_note_). Arkansas admitted to the Union, 227. Ashburton treaty, 239, 241 (_note_). Astor, John Jacob, plans an establishment on the Columbia, 212. Astoria founded, 213; sold, 214, 230, 233 (_note_). Atchison, David R., 299 (_note_). Atchison, Kan., founded, 296, 299 (_note_). Austin, Stephen F., goes to Texas, 242. Behring, Vitus, sails on a voyage of discovery, 140, 142 (_note_); determines the separation of the continents, 140; death, 141. Bent, Charles, governor of New Mexico, 254. Bent's Fort, 241 (_note_), 254, 256 (_note_). Benton, Thomas H., 227; sent to the Senate, 229; identified with the Oregon question, 231; meets Fremont, 234. Bienville, 123, 130 (note); made governor, 128; founds New Orleans, 128. Bison, The, first mentioned, 36, 39 (_note_). Black Hills located, 185. Boone, Daniel, leads emigrants to Kentucky, 165, 211 (_note_). Bonneville, Benjamin L. E., visits Oregon, 232, 233 (_note_). Boundary of the United States, rectified by the war with Mexico, 263. Brown, John, in Kansas, 304, 307 (_note_). Butterfield Overland Stage Company, 317, 320 (_note_). Button, Sir Thomas, in Hudson's Bay, 133. Cabrillo's voyage, 65 (_note_). Cache-à-la-Poudre River, 238, 241 (_note_).