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; Biochemistry Laboratory for the Study of Canine Hip Dysplasia; Hadley C. Stephenson Laboratory for Canine Diseases; Microbiology Laboratory; Oswald R. Jones Laboratory of Immunology; Immunogenetics Laboratory; Richard King Mellon Laboratory for Electron Microscopy; Advisory Council; The Institute in Perspective: A Personal View (John M. Olin); Acknowledgements; Publications; Ways of Giving.