Collahuaso, J., Inca Atahualpa, [268].
Collas, [226].
Collingwood, J. F., [443].
Colorado Cañon, explored by Powell, [396].
Colorado caves, [391].
Colorado, expeditions in, [395].
Columbia River Valley, centre of migrations, [381].
Columbus, Christopher, acc. of his voyages, [xix], [xxiv], [xxxiv], [xxxvi];
believed he found Asia, [1];
inherited the idea of the sphericity of the earth, [31];