Commou-law crimes
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Such crimes as are punishable by the force of the common law, as distinguished from crimes created by statute.
Wilkins v. U. S., 96 Fed. 837, 37 C G A. 588; In re Greene (C. C.) 52 Fed. 111.
These decisions (and many others) hold that there are no common-law crimes against the United States.