SEC. 9. And be it further enacted, That the district courts shall have, exclusively of the courts of the several States, cognizance of all crimes and offences that shall be cognizable under the authority of the United States, committed within their respective districts, or upon the high seas; where no other punishment than whipping, not exceeding thirty stripes, a fine not exceeding one hundred dollars, or a term of imprisonment not exceeding six months, is to be inflicted; and shall also have exclusive original cognizance of all civil causes of admiralty and maritime jurisdiction, including all seizures under laws of impost, navigation or trade of the United States, where the seizures are made, on waters which are navigable from the sea by vessels of ten or more tons burthen, within their respective districts as well as upon the high seas; saving to suitors, in all cases, the right of a common law remedy, where the common law is competent to give it; and shall also have exclusive original cognizance of all seizures on land, or other waters than as aforesaid, made, and of all suits for penalties and forfeitures incurred, under the laws of the United States. And shall also have cognizance, concurrent with the courts of the several States, or the circuit courts, as the case may be, of all causes where an alien sues for a tort only in violation of the law of nations or a treaty of the United States. And shall also have cognizance, concurrent as last mentioned, of all suits at common law where the United States sue, and the matter in dispute amounts, exclusive of costs, to the sum or value of one hundred dollars. And shall also have jurisdiction exclusively of the courts of the several States, of all suits against consuls or vice-consuls, except for offences above the description aforesaid. And the trial of issues in fact, in the district courts, in all causes except civil causes of admiralty and maritime jurisdiction, shall be by jury.