Topics in the Annual Report include: A Message from the Director (Douglas D. McGregor); Staff of the Baker Institute; Giralda Laboratory for Canine Infectious Diseases; Daynemouth Laboratory for Canine Nutrition; John M. Olin Laboratory for the Study of Canine Hip Dysplasia; Hadley C. Stephenson Laboratory for the Study of Canine Diseases; Donnelley Laboratory of Immunochemistry; Oswald R. Jones Laboratory of Immunology; Immunogenetics Laboratory; Colgate Tissue Culture Laboratory; Richard King Mellon Laboratory for Electron Microscopy; Publications; Advisory Council; The Institute in Perspective; Acknowledgements; Ways of Giving.