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 point of the medial plane, must dispose its legs in the following manner: The right front leg is the chief point of support, since it is nearer the center; but the left leg, since it is farther away from the center, travels the longer path. The right hind leg has to do more work than the left, since in addition to supporting its share of the weight, it does more than its share in driving the body forward.

It follows from this that at walk and trot the proper effects for the volte are a very limited flexion of the head to the left, pressure of the rider's right leg close behind the girth, and pressure of the left leg farther back, to keep the horse's left hind leg on the circular line. At the gallop, on the contrary, the flexion of the head is to the right, to unload the right front leg and allow it to gain more ground than the left. The effects of the legs are, however, exactly the same as for the diagonal gaits. The rider's right leg maintains the gallop to the right by its stronger effect on the horse's right hind leg, while his left leg holds the rear limbs in the circle.

Now, the walk and trot are movements made in diagonal. Why, then, ask a creature, which naturally and by instinct moves in diagonal, to turn by lateral effects? Fillis himself had doubts concerning the propriety of this method of changing direction; for after considering the question he adds, "The opinion of Baucher has prevailed and the lateral effect has been accepted." But in the lateral effect, the right rein flexes the horse's neck to the