262 Extents. [Cli.XlI. 5. Execution of extent in chief. In general. What may be taken. Body. Goods and sums of money. I^ands. Debts and credits, and herein, 6. Of seizing debts, specialties, and credits due to the Crown Debtor : and herein of extents in chief in the several degree, i. e. against debtors to the Crown Debtor, &c. [Resisting extents and proceedings thereon, Ch. XIII.] 7* Venditioni exponas. — Order for sale of defendant's lands, &c. 8. Costs. 9. Poundage. Part II. — Extents in aid. Sect. 1. In general. The course of proceeding, &c. 2. To what degrees debts may be seized on extents in aid. 3. What Crown Debtor may issue an extent in aid. 4. For what sum an extent in aid may be issued. Affi- davit and fiat. 5. Form of. — What may be taken. — Motions. — Plead- ing. — Costs. — Poundage, &c. Of Extents in general. It was ever a principle of law, that the Crown might seize in execution consecutively the body, lands, and goods of its debtor and even debts due to him ; but the right to take them all at once, was not it seems vested in the Crown at common law («), but was confined to executions by extendi facias against (a) Gilb. Excheq. 7. the