Public [act] 213-297½ 298-346, 74th Congress. Officers; Navy. H. R. 53S2, act to provide for advancement by selection in staff corps of Navy to ranks of lieutenant commander and lieutenant, to amend act to provide for equalization of promotion of officers of staff corps of Navy with officers of the line (44 Stat. 717, U. S. C., Supp. 7, title 34, sees. 348-348t), and for other purposes.