Section 161, act Nov. 23, 1921, ch. 135, 3, 42 Stat. 224, related to creation of Board of Maternity and Infant Hygiene and administration of this chapter by Childrens Bureau. Section 162, act Nov. 23, 1921, ch. 135, 1, 42 Stat. 224, related to authorization of appropriations. Section 163, acts Nov. 23, 1921, ch. 135, 2, 42 Stat. 224; Jan. 22, 1927, ch. 53, 1, 44 Stat. 1024, related to amount and apportionment of appropriations. Section 164, act Nov. 23, 1921, ch. 135, 4, 42 Stat. 225, related to acceptance of provisions of this chapter by the States. Section 165, act Nov. 23, 1921, ch. 135, 5, 42 Stat. 225, related to deduction of administrative expenses from appropriation. Section 166, act Nov. 23, 1921, ch. 135, 6, 42 Stat. 225, related to clerical assistants for Childrens Bureau. Section 167, act Nov. 23, 1921, ch. 135, 7, 42 Stat. 225, related to apportionment of appropriation to States. Section 168, act Nov. 23, 1921, ch. 135, 8, 42 Stat. 225, related to submission and approval of plans by States. Section 169, act Nov. 23, 1921, ch. 135, 9, 42 Stat. 225, related to power of representatives of Childrens Bureau to enter homes and to take charge of children. Section 170, act Nov. 23, 1921, ch. 135, 10, 42 Stat. 225, related to certification of amounts apportioned to States. Section 171, act Nov. 23, 1921, ch. 135, 11, 42 Stat. 226, related to reports by States. Section 172, act Nov. 23, 1921, ch. 135, 12, 42 Stat. 226, related to limitation on expenditure of amounts apportioned to States. Section 173, act Nov. 23, 1921, ch. 135, 13, 42 Stat. 226, related to requirement that Childrens Bureau perform duties assigned to it by this chapter. Section 174, act Nov. 23, 1921, ch. 135, 14, 42 Stat. 226, related to construction of this chapter. Section 175, act Mar. 10, 1924, ch. 46, 3, 43 Stat. 17, related to extension of this chapter to Hawaii.