That Section 20 . . . be . . . amended . . . § 20. Any person who is not a bona fide elector of this state, or the child or legal ward of a bona fide elector of this state, or a soldier or sailor who is a bona fide elector of the United States, and has been stationed at a government post within this state for one year past, or non-residents having property in this state on which they pay taxes to the amount of $100.00 or over annually, but who shall be a citizen of the United States or a free-holder in this state, shall upon payment of five dollars to any Justice of the Peace . . . be entitled to receive from such officer a gunner’s license, which license shall permit such person to kill any of the game birds of this state during the current season under the restrictions heretofore and hereinafter imposed.