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];