S
Sacajawea, squaw guide to Lewis and Clark, 312, 321, 326, 332.
St. Louis, departure of Lewis and Clark's expedition from, 308-309; return to, 332.
Saint-Lusson, Sieur de, 142.
Saint-Pierre, Legardeur de, 236-237.
Saskatchewan River, exploration of, 229.
Sautaux Indians, the, 89-90, 92 n., 131 n., 365.
Scalp dance, the, 12, 14.
Seneca Indians, the, 34, 55, 364.
Sioux Indians, the, 69; Radisson and the, 85, 88, 120-124; desire of, for firearms, 120, 122; location of the, 365.