Section, act Apr. 26, 1939, ch. 92, § 2, 53 Stat. 620, as affected by 1939 Reorg. Plan No. I, §§ 201, 205, eff. July 1, 1939, 4 F.R. 2728, 53 Stat. 1424, provided for medical, dental, etc., treatment of Coast and Geodetic Survey’s personnel and their families. See section 253 of Title 42, The Public Health and Welfare.