Simpson, George Gaylord, 1902-1984.
Horses : the story of the horse family in the modern world and through sixty million years of history / Simpson, George Gaylord. - New York : Oxford University Press, 1951. - xxiv, 247 p. : illus. ; 24 cm.
Includes bibliographical references and index.
51012082
Horses--History.
Horses, Fossil.
Mammals--Evolution.
QL737.U6 / S5
569.725 / SIH
Horses : the story of the horse family in the modern world and through sixty million years of history / Simpson, George Gaylord. - New York : Oxford University Press, 1951. - xxiv, 247 p. : illus. ; 24 cm.
Includes bibliographical references and index.
51012082
Horses--History.
Horses, Fossil.
Mammals--Evolution.
QL737.U6 / S5
569.725 / SIH