2. This writ was invented by John Waltham, bishop of Salishury, and chancellor to Rich. II. under the authority of the statutes of Westminster 2, and 13 Edw. I. c. 34, which enabled him to devise new writs. 1 Harr. Prac. 154; Cruise, Dig. t. 11, c. 1, sect. 12-17. Vide Vin. Ab. h. t.; 1 Swanst. Rep. 209.