THE JERBOA. Tue Jerboa is a singular little animal, which is found in many parts of Africa and Asia. It is of a pale yellowish fawn color on the upper parts, and white be- neath; the length of the body is about eight inches, and of the tail ten. The jerboas inhabit dry, hard, and clayey ground, in which they make their bur-— rows. These are long, and run oblique. and winding; at about half a yard below the surface of the ground, they terminate in large holes or nests; they are usually provided with but one opening, though the animals are careful enough to make (110)