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"Successive stages of modification of the feet of extinct forms of horse-like animals, showin gradual reduction of the outer and enlargement of the middle toe (III). Hipparion and Pliohippus (Pliocene)." — Encyclopedia Britannica, 1893

Horse Foot

"Successive stages of modification of the feet of extinct forms of horse-like animals, showin gradual…

"Successive stages of modification of the feet of extinct forms of horse-like animals, showin gradual reduction of the outer and enlargement of the middle toe (III). Equus (Pleistocene)." — Encyclopedia Britannica, 1893

Horse Foot

"Successive stages of modification of the feet of extinct forms of horse-like animals, showin gradual…