All fines and penalties imposed and collected by the circuit court of general sessions in criminal causes shall be forthwith turned over by the clerk of such court to the county treasurer of the county wherein the same are imposed; provided, that when, by law, any person is entitled as informer to any portion of the fine or penalty imposed and collected the same shall be immediately paid over to him. They shall also pay, monthly, to the county treasurers of their respective counties, for the use of the State, all such moneys as may have come into their hands as taxes from persons representing, publicly, plays and shows within the limits of their counties.