Embryos and ancestors /
De Beer, Gavin, 1899-1972.
Embryos and ancestors / by Gavin De Beer. - 3rd ed. - Oxford : Clarendon Press, c1958 [Cor. sheets 1962]. - 197 p. : ill. ; 22 cm.
First published in 1930 under title: Embryology and evolution.
Includes bibliographical references and index.
Embryology.
Evolution (Biology)
575 / DEE 1962
Embryos and ancestors / by Gavin De Beer. - 3rd ed. - Oxford : Clarendon Press, c1958 [Cor. sheets 1962]. - 197 p. : ill. ; 22 cm.
First published in 1930 under title: Embryology and evolution.
Includes bibliographical references and index.
Embryology.
Evolution (Biology)
575 / DEE 1962