Section 111, act Feb. 2, 1903, ch. 349, 2, 32 Stat. 792; July 22, 1954, ch. 558, 33, 68 Stat. 510; Jan. 28, 1956, ch. 12, 2, 70 Stat. 5, related to regulations to prevent contagious diseases. Section 112, act May 29, 1884, ch. 60, 4, 23 Stat. 32; Feb. 2, 1903, ch. 349, 1, 32 Stat. 791; Feb. 7, 1928, ch. 30, 45 Stat. 59, related to investigations as to pleuropneumonia and other diseases and regulations.