TRESPASS QUARE CLAUSUM FREGIT, practice. This is the name of a remedy which lies to recover damages when the defendant has unlawfully and wrongfully trespassed upon the real estate of the plaintiff.

2. This action must be brought by the tenant in possession, for the injury is done to his possession. A remainder-man or reversioner cannot sustain it. 3. As the injury must be committed to the possession, one who has a mere incorporeal right cannot maintain this action. 4 Bouv. Inst. n. 3600.