Rugh, Roberts, 1903- Vertebrate embryology : The dynamics of development / Roberts Rugh. - New York : Harcourt, Brace & World, c1964. - viii, 600 p. : illus. ; 24 cm. Bibliography: p. 524 and index. Subjects--Topical Terms: Vertebrates--Embryology. Dewey Class. No.: 596.033 / RUV 1964