within the field, of interstate commerce.
Gloucester Ferry Co. v.
Pennsylvania, 114 U. S. 196, 215. In
Reid v. Colorado, 187 U. S. 137, it was held that Congress could pass a law excluding diseased stock from interstate commerce in order to prevent its use in such a way as thereby to injure the stock of other States. In'the
Lottery Case, 188 U. S. 321, it was.held that Congress might pass a law puiiishing the transmission of lottery tickets from one State to another, in order to prevent the carriage of those tickets- to be sold in other States and thus demoralize, through a spread of the gambling habit, individuals who were likely to purchase. In
Hipopolite Egg Co. v.
United States, 220 U. S. 45, it was held that it was within the regulatory power of Congress to punish the' transportation in interstate commerce of adulterated articles which, if sold in other States than the one from which they were transported, would.deceive or injure persons who purchased such articles. In
Hoke v.
United States, 227 U. S. 308 and
Caminetti v.
United States, 242 U. S. 470, the so-called White Slave Traffic Act, which was construed to punish any person engaged in enticing a woman from one State to another for immoral ends, whether for commercial purposes or otherwise, whs valid because it was intended to prevent the use of interstate' commerce to facilitate prostitution or concubinage, and other forms of immorality. In
Clark Distilling Co. v.
Western Maryland Railway Co., 242 U. S. 311, it was held that Congress had power to forbid the introduction of intoxicating liquors into any State in which .their use was prohibited, in order to prevent the use of interstate commerce to promote that which was illegal in the State. In
Weber v.
Freed, 239 U. S. 325, it was held that Congress had power to prohibit the importation of pictorial representations of prize fights designed for public exhibition, because of the demoralizing effect of such exhibitions in the State of destination.'