William Darrach, M.D., and John Wiltbank, M.D., and "the Trustees of the Medical Department of Pennsylvania College," complainants, vs. John B. Biddle, M.D., John J. Reese, M.D., David Gilbert, M.D., Francis G. Smith, M.D., and Jonathan M. Allen, M.D., and the "Trustees of Pennsylvania College of Gettysburg, in the county of Adams," respondents