McDougall, next in command to Hunt, 199; in charge of Fort George, Astoria, 218; denounced, 219 McKay goes on the _Tonquin_, 200 Mackenzie, Alexander, 146, 163; to the Arctic, 147; Mackenzie River, 147; to the Pacific, 148; reaches tidewater at King Island, 160 McKenzie, Donald, 202; Kenneth, 284 McKnight, Chambers, and Baird imprisoned, 257; meet Glenn and Fowler, 257 McLoughlin, Hudson Bay Company governor, 290 McTavish reaches Astoria, 218 Mad River, 208 Madison River, 168 Maize, a staple before the whites arrived, 76, 77 Maldonado, Alonso del Castillo, companion of Cabeza de Vaca, 106 Malgares, character of, 182; expedition of, 182; Robinson's opinion of, 192; escorts Pike and Robinson to Chihuahua, 192 Malhado Island, 104 Mallet brothers, 176 Mandan, tribe, where classed, 61; house, 68; country, 158; go every spring to Rocky Mountains, 158; Lewis and Clark leave Fort, and start west, 163; burned, 174 Map of Louisiana and of the Wilderness, 154 Maple sugar, 72 Marble Canyon, 324 Marble-Grand Canyon, length of, 324 Marcos of Niza, Friar, 108; sees the Seven Cities, 109; sent back, 110; repeats his story, 110 Maria's River, 166 Marquette, 132; down the Mississippi, 133 Mary's River, 277 Massacre, of Villazur's party, 119; of the Whitman family, 290; at Mountain Meadows, by Mormons, 310; at Plum Creek, Union Pacific Railway, 330 Mastodon bones beneath those of buffalo, 35 Maxent (or Maxan), La Clede and Company, 194 Maximilian, Prince of Wied, goes up the Missouri, 284 _Mayflower_, the, 132 Meadows, beaver, 24 Meares fails to find the Rio de San Roque, 148 Meek, Joe, appears in the Wilderness, 278; shoots a Digger, 278; in Oregon, 290; quoted, 292; at Fort Davy Crockett, 294; goes through the canyon of Lodore on the ice, 294 Mendoza, Viceroy of Mexico, sends Marcos of Niza to the north country, 108; sends Coronado to search for the Seven Cities, 110; his attitude toward Coronado on the latter's return, 113 Mesquite tree, 10 Metate, 267 Methodist missionaries into the Wilderness, 308