The act of adopting an alien into a nation, and clothing him with all the rights possessed by a natural- born citizen. Boyd v. Nebraska, 143 U. S. 135, 12 Sup. Ct. 375, 36 L. Ed. 103. Collective naturalization takes place where a government, by treaty or cession, ac- quires the whole or part of the territory of a foreign nation and takes to itself the inhabitants thereof, clothing them with the rights of citizenship either by the terms of the treaty or by subsequent legislation. State v. Boyd; 31 Neb. 682, 48 N. W. 739; Feople v. Board of Inspectors. 32 Misc. Rep. 584, 67 N. Y. Supp. 230; Opinion of Justices, 68 Me. 589.