Act of February 19, 1901, ch. 382, 31 Stat. 798, sec. _

Sec. 4. That all civil process issued against persons resident in the said counties of Grayson, Cooke. Montague, Denton, and Collin, and cognizable before the United States courts, shall be made returnable to the courts respectively to be held at the city of Sherman: and all prosecutions for offenses committed in either of said counties shall be tried in the appropriate United States courts at the city of Sherman: Provided, That no process issued or prosecution commenced or suit instituted before the passage of this Act shall be in any way affected by the provisions hereof.