Topics in this Annual Report include: Contents; A Message from the Director (Douglas D. McGregor); Giralda Laboratory for Canine Infectious Diseases; Confronting an Unknown Enemy: Canine Parvovirus; Hadley C. Stephenson Laboratory for the Study of Canine Diseases; Dual Vaccination and the Distemper Nomograph; John M. Olin Laboratory for the Study of Canine Bone and Joint Diseases; Immunology Laboratory; Mucosal Immunity Laboratory; Equine Genetics Center; Bostwick Laboratory of Molecular Biology; Publications; Advisory Council Perspective; A Tribute to William Rockefeller; Staff of the Baker Institute; Acknowledgements; Ways of Giving.