Section 634, acts Apr. 30, 1900, ch. 339, 92, 31 Stat. 159; May 27, 1910, ch. 258, 8, 36 Stat. 448; July 9, 1921, ch. 42, 314, 42 Stat. 120, related to salaries of justices of supreme court and circuit courts. Section 634a, acts May 29, 1928, ch. 904, 1, 2, 45 Stat. 997; Apr. 30, 1956, ch. 226, 1, 70 Stat. 123, related to salaries of justices of supreme court and circuit courts.