...nature as to require exclusive legislation by Congress. Now the power to regulate commerce embraces a vast field, containing not only many, but exceedingly...equally on the commerce of the United States in every part, and some, like regulations of pilotage, as imperatively demanding that diversity which alone...

...the exercise of the same power by the states. . . . Now, the power to regulate commerce, embraces a vast field, containing not only many, but exceedingly...demanding that diversity, which alone can meet the local necessites of navigation. [T]he nature of this subject is such, that until Congress should find it...

...Wilson v. Black Bird Creek Co., 2 Pet., 251. . . . Now, the power to regulate commerce, embraces a vast field, containing not only many, but exceedingly...Either absolutely to affirm, or deny that the nature of this power requires exclusive legislation by Congress, is to lose sight of the nature of the subjects...

...three years before that the issue was already settled. See supra notes 209, 221 and accompanying text. equally on the commerce of the United States in every...alone can meet the local necessities of navigation. . . . Whatever subjects of this power are in their nature national, or admit only of one uniform system,...

...and treated the question as one of first impression: Now the power to regulate commerce, embraces a vast field, containing not only many, but exceedingly...imperatively demanding a single uniform rule, operating adoption of its system by Congress, and the application of it to the whole subject of commerce, does...

...containing not only many, but exceedingly various subjects, quite unalike in their nature; some imperitively demanding a single uniform rule, operating equally...port; and some, like the subject now in question, as imperitively demanding that diversity, which alone can meet the local necessities of navigation.69...

...require a single uniform rule, but that there were others - he thought pilotage to be such a case - "imperatively demanding that diversity, which alone can meet the local necessities of navigation." Congress (which had deferred to the states on the subject of pilotage) was entitled to conclude that...

...allow states to regulate in this area. Curtis observed that "the power to regulate commerce, embraces a vast field, containing not only many, but exceedingly...alone can meet the local necessities of navigation." J. McLean and J. Wayne dissented. Note — The Court adopted a "selective exclusiveness doctrine" in...

...is exercised. He wrote in his opinion for the Court: Now the power to regulate commerce embraces a vast field, containing not only many, but exceedingly...alone can meet the local necessities of navigation. ** For those subjects of interstate commerce which are national in character, congressional power would...

...Philadelphia, 12 How. 299, 319, 13 L. Ed. 996, it was said that : "The power to regulate commerce embraces a vast field, containing not only many, but exceedingly...demanding a single, uniform rule operating equally upon the commerce of the United States in every port, and some — like the subject (pilotage) now...