Freight rates. No. 6052, sub-no. 1, Chamber of Commerce of Washington, D. C., et al. v. Baltimore & Ohio Railroad Company et al.; no. 6058, O. J. De Moll & Company et al. v. Southern Railway Company et al., 4th section application no. 1781; [decided May 11, 1914; report of commission and 4th section order 3930].