Section, acts June 25, 1948, ch. 645, 62 Stat. 817; Dec. 5, 1969, Pub. L. 91–135, § 7(b), 83 Stat. 281, provided for an officer’s power to act in enforcing sections 42, 43, and 44 of this title relating to animals and birds. See section 3375 of Title 16, Conservation.