The science of animal behaviour / P.L. Broadhurst. Broadhurst, P. L. (Peter Lovell), 1924- Animal behavior. Animal intelligence. Animal psychology. 151.3 BRS Includes bibliographical references (p. [137]) and index. Harmondsworth, Middlesex : Penguin, c1963. c1963. 1963 Text 142 p. : eng Pelican books ; A629 Pelican book ; A629.