...jurisdiction was intended to be exclusive falls before the plain words of § 15; "The several district courts of the United States are hereby invested with...jurisdiction to prevent and restrain violations of this 3 "SEX:. 11. That authority to enforce compliance with sections 2, 3, 7, and 8 of this Act by the persons...

...imprisonment uot exceeding ono year, or by both said punishments, In tiio discretion of the court. fiec. 4. The several Circuit Courts of the United States are hereby invested with jurisdicción to prevent and restrain violations of this act; and It shall bo the duty of :he several...

...violations of this act — that includes, of course, the Robinson-Patman Act, section 2 (a) anif 2(b)and it shall be the duty of the several district attorneys of the United State| in their respective districts, under the direction of the Attorney General, to to^ stitute proceedings...

...the case, setting forth their reasons for such consent. SEC. 5. And be it further enacted, That it shall be the duty of the several district attorneys of the United States for the respective district [s] , gent in inquiring into any violation of the provisions of this act...

...that an express authorization of suit at law was included in the act. Section 7. The fourth section provides: "The several circuit courts of the United...and restrain violations of this act; and it shall be the duty of the several district attorneys of the United States, in their respective districts, under...

...the district attorney, first filed in the case, setting forth their reasons for such consent. 5. It shall be the duty of the several district attorneys of the United States for th« respective districts, for the District of Columbia, and for the several territories, to be...

...such combination or conspiracy. Section 3. The fourth section of the act Is In these words: "Sec. 4. K the duty of the several district attorneys of the United States, In their respective districts, under...

...year, or by both said punishments, in the discretion of the court. "§ 4. The several circuit courte of the United States are hereby invested with jurisdiction to prevent and restrain violation* of this act; and it shall be the duty of the several district attorneys of the United States,...

...combination, or conspiracy a misdemeanor punishable by fine or imprisonment. Section 4 provides that "The several circuit courts of the United States are...restrain violations of this act ; and it shall be the duty of the several district attorneys of the United States, in their respective districts, under...

...parties, even if the federal courts were given jurisdiction. The Sherman Act provides (section 4) that "the several circuit courts of the United States are...and restrain violations of this act; and it shall be the duty of the several district attorneys of the United States, in their respective districts, under...