Twentieth-century bestiary / by the editors of Scientific American. First book of animals. Scientific American, inc. Zoology. Animal behavior. QL50 .S37 1955a 591.51 SCT First published in 1955 under title: First book of animals. includes bibliographical references and index. New York : Simon and Schuster ; c1955 c1955 1955 Text vii, 244 p. : eng