Equus (genus) 54 million years ago (Mya). These animals had three toes on the hind feet and four on the front feet with small hooves in place of claws, but also had soft pads.<ref name="doi10.1126/science.1105458"></ref> Equids developed into larger, three-toed animals (e.g. "Mesohippus") during the Oligocene and Miocene. From there, the side toes became progressively smaller through the Pleistocene until the emergence of the single-toed "Equus". The genus "Equus", which includes all extant equines, is believed to have evolved from "Dinohippus", via the intermediate form "Plesippus". One of the oldest species is "Equus simplicidens", described as zebra-like with a donkey-like head shape.
Africanus Horton Africanus Horton Africanus Horton (1835–1883), also known as James Beale, was a Krio African nationalist writer and an esteemed medical surgeon in the British Army from Freetown, Sierra Leone. Africanus Horton was a surgeon, scientist, soldier, and a political thinker who worked toward African independence a century before it occurred. In his varied career, he served as a physician, an officer in the British Army, a banker, and a mining entrepreneur. In addition, he wrote a number of books and essays, the most widely remembered of which is his 1868 "Vindication of the African Race", an answer to the white