Embryos and ancestors /
De Beer, Gavin, Sir, 1899-1972
Embryos and ancestors / Gavin Rylands De Beer. - Rev. ed. - Oxford : Clarendon, 1951. - xii, 159 p. : ill. , 2 plates, diagrs. ; 23 cm. - Monographs on animal biology .
An expanded form of the author's Embryology and evolution, 1930
Includes bibliographical references (p. 143-154)
Embryology--------
Evolution--------
QL 955 / D35e 1951
Embryos and ancestors / Gavin Rylands De Beer. - Rev. ed. - Oxford : Clarendon, 1951. - xii, 159 p. : ill. , 2 plates, diagrs. ; 23 cm. - Monographs on animal biology .
An expanded form of the author's Embryology and evolution, 1930
Includes bibliographical references (p. 143-154)
Embryology--------
Evolution--------
QL 955 / D35e 1951