§ 1. That form and after the first day of May next, it shall not be lawful for any person or persons, by day or night to navigate or paddle any open skiff, canoe or open boat of any description, on board of which open skiff, canoe or open boat aforesaid may be any offensive weapon, gun, musket, fowling piece or pistol, . . . within fifty yards of any blind for shooting fowl, with intent to shoot or molest any wild fowl or fowls within the region aforesaid. § 2. That the discovering or finding of any offensive weapon, gun, musket, fowling piece or pistol in any open skiff, canoe or open boat as aforesaid, within fifty yards of any blind for shooting fowl, shall in all cases within the region aforesaid, be deemed prima facie evidence of intent to shoot or molest said wild fowls, and shall subject the offender in each and every case, to a penalty of ten dollars . . .