Post natus. After-born. See NATUS, Ante. Post obit. After he dies. See Овіт. Post-date. To date after the true time. See DATE. Post-due. Past due. See DUE. Post-note. A note payable at a distant day, and not on demand. Differs from other promissory notes only as to time of payment.1 Post-notes are a species of obligation resorted to by banks when the exchanges of the country, and especially of the banks, have become embarrassed by excessive speculations. They are intended to supply the place of demand notes, which the banks cannot afford to issue or re-issue, to relieve the necessities of or box to be carried about a house or from one building to another. The place of deposit is the post-office, in this sense. Hence, feloniously removing a letter out of the place where kept, in a post-office, is stealing it from the post-office. "The Congress shall have Power Post Offices and Post Roads."2 To establish This power authorizes the regulation of the entire system: the designation of route, the matterits weight and form, the places where receivable, the charges for carriage, measures to secure safe and speedy transit, prompt delivery, etc. Under this power the department also determines what matter shall and shall not be mailable. The protection of the public morals is incidental to the protection of the mails.4 Post-road. A highway by land or water over which mails may be lawfully transmitted. Post-route. A post-road, or a definite portion thereof, over which mails are usually transported by contract; a route commerce or of the banks, or to avoid a compulsory for which the department contracts for the suspension. They are under seal, or without seal, and at long or short dates, and with or without interest, as the necessities of the bank may require.2 Post-nuptial. After nuptials or marriage. Opposed, ante-nuptial. See SETTLE, 4. 2. Eng. n.3 (1) A military station: (2) any fixed place on a line of road; (3) a conveyance between such places, and the person who used relays of horses; (4) speedy conveyance, rapid travel, quick communication, communication by letter or message. Whence "the post," "post haste," etc. Military post. A military establishment where a body of troops is permanently stationed.4 Post-office. (1) The department of government concerned in receiving and delivering postal matter. The postmaster-general, deputy postmasters, and their assistants and clerks, appointed and sworn as required by law, are public officers; and each is answerable for his own negligence only. See TORT, 2. Re Dyott's Estate, 2 W. & S. 489 (1841). 2 Hogg's Appeal, 22 Pa. 488-89 (1854). 3 F. poste, a carrier, messenger: L. L. postus, posta, a station, post: L. positus, placed: ponere, to place. A "post-horse" was a horse placed at a station in readiness for a traveler. 4 [Caldwell's Case, 19 Wall. 268 (1873), Hunt, J. 5 Keenan v. Southworth, 110 Mass. 474 (1872), cases. Compare Robertson v. Sichel, 127 U. S. 516 (1888), cases. transportation of a mail.5 Letters, and sealed packages subject to letter-postage, when once entrusted to the care of the postal department, for transmission, are as fully guarded from inspection, except as to outward form and weight, as if retained by the forwarder in his own domicil. The guarantee against "unreasonable searches and seizures" extends to articles placed in the mails. They can be opened only under warrant, duly sworn to and particularly describing the thing, as if it were a paper in one's own household. But what is purposely left open to inspection, as, newspapers, magazines, pamphlets, and other printed matter, may be examined without warrant. See further LETTER, 3; MAIL, 2; BOOK, 2; CIRCULAR, 2; LIBERTY, Of the Press; LOTTERY; OBSCENE; REVENUE; TELEGRAPH.