Options and futures. To amend sec. 5 of cotton futures act and To prevent sale of cotton and grain in future markets, hearings before subcommittee on S. 385, to amend sec. 5 of cotton futures act, as amended, S. 399, to prevent sale of cotton and grain in future markets, and S. 3146, to amend sec. 5 of cotton futures act, Jan. 20 and Feb. 14, 1922.