With reference to their nature, contracts are divisible into the following kinds: 12. A continuing contract is one for the performance of several acts from time to time. Thus, a contract to maintain and repair railway wagons for seven years is a continuing contract. In re Sneezum, Ex parte Davis, 3 Ch. D. 463. 13. Executed and executory.- When a contract has been performed by both parties, it is said to be executed, or when it has been performed by one of the parties, it is executed as far as he is concerned, but so long as something remains to be done by one of the parties, it is said to be "executory" as regards him. (Chit. Cont. 136, 591.) When applied to contracts of sale, "executed" and "executory" have peculiar meanings. See SALE. 14. With reference to their objects, contracts are of innumerable varieties, such as contracts of agency, service, works, insurance, guarantee, contracts of debt, (2 Bl. Com. 465; Sm. Merc. L. 532;) i. e. contracts for the payment in future of money; and contracts of sale, i. e. contracts by which one person agrees to sell, and the other to buy, certain property. (See SALE.) In the case of a sale of goods, the contract is generally restricted to the question of price, quality and time of delivery; but in the case of land, leaseholds, &c., the contract generally contains elaborate provisions (principally in the interest of the vendor) as to the investigation of the title, 11. A personal contract is one which depends upon the existence, or the personal qualities, skill or services of one of the parties, such as a contract of mar-the delivery of the abstract and requisi- * This classification-which, by including 6; Williams v. Jones, 13 Mees. & W. 628. See under the same head "true contracts," "fictitious 43 Geo. III. c. 46, 4; Leake Cont. 92.) contracts" and "contracts of record," puts a con- "Debt," had the technical sense of an obligation siderable strain on the meaning of contractto pay a certain sum of money whether created seems, like many other accepted classifications by contract or not, and in this sense debts are in English law, to be founded on the old rules correctly divided by the old writers into debts of pleading. The action of debt was applicable of record, debts by specialty and debts by simple whenever a certain sum of money was due (F. contract. (2 Bl. Com. 465. See DEBT.) But as N. B. 115g; Steph. Pl. 15), whether by sima debt, in the usual sense of the word, is an obliple contract, specialty or judgment; in the case of a judgment recovered in a personal action, the plaintiff could not at common law issue execulegal writers seem to have considered it necestion on it after a year and day, but was driven sary to classify contracts as if they were the only to bring a new action on the judgment. (Hissource of debts in the technical sense, namely, cocks v. Kemp, 3 Ad. & E. 679; Fost. Sci. Fa. into contracts of record, by specialty and simple. a gation to pay money voluntarily entered into by the debtor, in other words, created by contract,