On the calendar are four cases of national importance:
Suit of Ohio and Pennsylvania to prevent West Virginia from restricting exportation of her natural resources.
Alien Land cases from California and Washington, to determine whether Japanese can be prevented from owning or leasing land in those states.
The suit by the Chicago Board of Trade attacking the constitutionality of the "Grain Futures Act," under which the government seeks control over the principal grain exchanges of the country.
Suits against the New York Telephone Company, which attack the constitutionality of rate-fixing by state Public Service Commissions....