Bells, ancient, 235.

Bits, 167.

Books, 124.

Bronze-age, 139.

Bronze,
stone-cutting with, 138-140;
hatchets, 225;
bells and needles, 235.

Bull-fights, 70.

Bull-dogs in Mexico, 149.

Bull, lazoing the, 253, 323.

Cacahuamilpán, 200-205.

Cacao-beans, 227.