Boundary, British desire to make Columbia River the, 290; ill-defined United States and Mexican, 315; of Louisiana, 220; of Oregon, 289, 290 Brackenridge, Henry, with Lisa, 206; his opinion of Lisa, 221 Bradbury, goes with Hunt, 204; leaves Hunt party, 207; meets Colter, 196; views on beaver tree-felling, 27 Bridger, James, 232; age of, 234; with Ashley, 234; goes to Salt Lake, 242; has arrow removed by Whitman, 288; extricates Meek, 293; portrait of, 293; makes a war compact with The Bold, 294; Fort, 309; attempts to explore Green River, 314; with Berthoud explores road from Denver to Salt Lake, 315 British-American agreement as to Oregon renewed, 253 British, on Hudson Bay, 136; settlement on James River, 131; take Astoria, 218 Broughton goes up the Columbia, 170 Brown bear, fight with, 164 Brown's Hole, 238 Brown's Park, 238; position of, 295 Browne, P. T., killed by natives, 330 Buenaventura, Escalante crosses it, 124; Escalante's name for Green River, 124; the mythical outlet of Salt Lake, 280 Buffalo, 32; numbers of, 10, 32; range of, 10, 34; disappearing, 32, 302; in Montezuma's menagerie, 32; word for, in Isleta dialect, 34; oscillation of whole mass of buffalo, 34; when first in Athabasca country, 34; not migratory, 34; Coronado sees immense herds, 34; on Pecos River, 34; sees robes at first villages, 34; city of, named after, 35; bones above mastodon bones, 35; bones at salt licks of Ohio valley, and at Big Bone Lick, Kentucky, 35; in Saskatchewan country, 35; eastern limit of, 35; Albert Gallatin lives on buffalo meat, 35; remains not found in mounds of Mississippi valley, 35; not found on Moundbuilder pipes, 35; probability that it would have gone to Alaska, 35; in Arizona, 36; limit on west, 36; no mention of it by Lewis and Clark west of Rocky Mountains, 36; rock picture of, 36; seen by Escalante on White River, 36; skull found at Gunnison, 37; no mention of, by Espejo or Oñate west of the Rio Grande, 37; south-western limit, 37; did not cross Rocky Mountains north of 57 degrees, 37; crosses to Green and Columbia,37; in Missouri, 37; earliest published drawing of, 38; fossil remains, 38; painted by Catlin, 38; prairie buffalo, 38; wood buffalo, 38; western range, 38; by Bierstadt, 40; wanton killing, 42; herd, advance of, 44; herds dashed to death, 44; drowned in river, 44; shooting from railway trains, 44; methods of hunting the, 45; corral, 46; dashed over cliff, 46;