When such game sanctuaries or refuges have been established as provided in , the hunting, pursuing, poisoning, killing, or capturing by trapping, netting, or any other means, or attempting to hunt, pursue, kill, or capture any game animals or birds upon the lands of the United States within the limits of such game sanctuaries or refuges shall be unlawful except under such rules and regulations as the Secretary of Agriculture may from time to time prescribe.section 692 of this title