Page:Equitation.djvu/67

 except that "pace," ambiguous in this sense, had better be kept to mean all the gaits of a horse, and not restricted to a particular one.

When a horse, already at a fast trot, is urged to move still more rapidly, so that action in diagonal biped becomes impossible, he may change to the amble. For this, he stiffens the spine, and replaces the up-and-down motion of the trot by an oscillation from side to side in lateral biped. Fore and hind legs on the same side advance together; but the motion is so rapid that the animal appears to the eye to be running with the hind legs and