For defense against creatures of prey, or enemies of the state, the workers are provided with weapons; and they are furthermore protected by a large military force. The warriors are so much bigger than the workers (in some communities, at least) that it is difficult, at first sight, to believe them of the same race. Soldiers one hundred times larger than the workers whom they guard are not uncommon. But all these soldiers are Amazons,—or, more correctly speaking, semi-females. They can work sturdily; but being built for fighting and for heavy pulling chiefly, their usefulness is restricted to those directions in which force, rather than skill, is required.
[Why females, rather than males, should have been evolutionally specialized into soldiery and laborers may not be nearly so simple a question as it appears. I am very sure of not being able to answer it. But natural economy may have decided the matter. In many forms of life, the female greatly exceeds the male in bulk and in energy;—perhaps, in this case, the larger reserve of life-force possessed originally by the complete female could be more rapidly and effectively utilized for the development of a special fighting-caste. All energies which, in the fertile female, would be
