Mass. Gen. Laws ch. 131, § 36: Fishing, hunting, or trapping on private, posted land

Section 36. A person shall not fish, hunt or trap on private land without permission of the owner or tenant thereof, after such owner or tenant has conspicuously posted thereon notices which bear the name of such owner or tenant and which state that fishing, hunting or trapping on such land, as the case may be, is prohibited.