The exhaustion of the toil--for man has nicely calculated the work a horse can perform, and generally exacts the quotum to the full--has merited the night's repose, which shall fit for the morrow's fatigue; but man is most particular in all that concerns the quadruped. He has reckoned up the food it may eat, the water it may drink, the space it may occupy; the keep, the keeper, the lodging, and the very harness that fastens it to the load,--all are precisely calculated. There is no law to interpose between man and horse, even should the estimate be run "too fine." Against sore shoulders there is some enactment, which is only enforced through a constable specially retained by a private association. No clause teaches man his duty toward his inferiors. The lower animals have no protection against the exhausting labor and inadequate provision that maims a body or wastes a life. The servant, observing the master to be without feeling, apes his better. A bad example always finds plenty of imitators. The horse may be wanted in a hurry; the groom commands it to "come round." It is too much trouble to back the animal as usual; the master is in haste and the servant has no time to lose. The poor animal endeavors to obey; it squeezes and twists its body: the head is seized, a blow is given, and the difficulty is vanquished. But at what a cost! One bone of the spine has been injured. Bone is slow in its developments. No immediate consequence results; but months afterward, the injured place throws out a spicula of bone, no larger than a needle's point, perhaps, but it presses upon the spinal marrow, and lasting stringhalt is the effect. Of course no drug can reach the part affected; no cunning preparation can remove even a needle's point from the interior of the spinal canal. The stringhalt, once exhibited, is beyond cure, and never disappears but with the life. However, it mostly affects high-spirited, nervous horses, and not being generally observable during progression, some of the quadrupeds thus diseased sell for large sums. PARTIAL PARALYSIS. [Illustration: THE UNSTEADY WALK OF A HORSE WHEN SUFFERING UNDER PARTIAL PARALYSIS OF THE HIND LEGS.] =Paralysis=, in the horse, save when it appears toward the termination of violent disorders, is never more than partial. It locates itself in the hind limbs, and, though it does not destroy all motion, yet it destroys all strength or utility. The power to move with speed is entirely lost, nor is the ability to progress at a slower pace by any means assured. One hind foot is perpetually getting in the way of the other, and constantly threatening to throw the animal down, whose walk already is rolling or unsteady.