Photos by Scholastic Photo Co., from “The Living Animals of the World.”

MALE AND FEMALE BABIRUSA.

A characteristic of this pig is the peculiar development of the tusks in the male, the upper pair of which grow through the lips and curve upwards.

[Face page 72.

Plate 11.

Photo by Lord Delamere, from “The Living Animals of the World.”

SOMALI ZEBRAS.

The Zebras, unlike their cloven-hoofed relations, have no weapons, save for inter-tribal conflicts. Yet they have been as successful in holding their own against lions and other predatory animals as species provided with horns.