Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe Sub-Department of Animal Behaviour, University of Cambridge.AuthorsTHORPE, W. H.PublicationNature, 1962, Vol 196, Issue 4859, p1043ISSN0028-0836Publication typeArticleDOI10.1038/1961043a0