Commerce with individuals belonging to such tribes, in the nature of buying, selling, and exchanging commodities , without reference to the locality where carried on, though it be within the limits of a state. U. S. v. Holliday, 3 Wall. 407, 18 L. Ed. 1S2J U. S. v. Cisna. 25 Fed. Cas. 424
Black’s Law Online Dictionary
