Baltimore Dry Docks and Ship Building Company. No.—, in Supreme Court, Oct. term, 1919, Baltimore Dry Docks & Ship Building Company v. New-York & Porto Rico Steamship Company, owner and claimant of S. S. Isabela, and United States, intervening respondent, petition for writ of certiorari to circuit court of appeals for 4th circuit; brief for United States in opposition.