A special writ of jail delivery, which formerly issued of course for each particular prisoner. 4 Bl. Comm. 270. Bomun defendentis ex Integra causa; malum ex quolibet defectu. The success of a defendant depends on a perfect case; his loss arises from some defect 11 Coke, 68a. Bonum necessarinm extra terminos, necessitatis non est tonnm. A good thing required by necessity is not good beyond the limits of such necessity. Hob. 144.