Commerce

The exchange of property, including the usual agencies of communication and transportation to effect the exchange, and extending to the means employed to move the property involved and the persons making the contract.

223 111. 590.

The various agreements which have for their object facilitating the exchange of the products of the earth or the industry of man, with an intent to realize a profit.

Pardessus, Dr. Com. note 1.

Any reciprocal agreements between two persons, by which one delivers to the other a thing, which the latter accepts, and for which he pays a consideration. If the consideration be money, it is called a "sale;" if any other thing than money, it is called "exchange" or "barter." Domat, Dr. Pub. liv.

1, tit. 7, § 1, note 2.

Congress has power, by the constitution, Indian tribes.

1 Kent, Comm. 431; Story, Const. § 1052 et seq.

The sense in which the word "commerce" is used in the constitution seems not only to include traffic, but intercourse and, navigation ( Story, Const. § 1057; 9 Wheat. [U. S.] 190, 191, 215, 229; 12 Wheat. [U, S.] 419; 102 U. S. 691; 4 Biss. [U. S.] 156; 31 Iowa, 187), but only such intercourse as consists in trade or traffic (1 Stew. & P. [Ala.] 327).