Sections 79 to 82 related to alien ownership of real estate in the District of Columbia. Sections 79 to 81 were from act Mar. 3, 1887, ch. 340, §§ 1, 2, 4, respectively, 24 Stat. 476, 477, as specifically excepted from amendment by act Mar. 2, 1897, ch. 363, 29 Stat. 618 (for said act