box, it shall be turned in to the postmaster at the terminus of the run and special note made on trip report, stating at what point received and name of sender.

Sec. 453. The Postmaster General may prescribe, by regulation, the manner of wrapping and securing for the mails all packages of matter not charged with first-class postage, so that the contents of such packages may be easily examined; and no package the contents of which can not be easily examined shall pass in the mails, or be delivered at a less rate than for matter of the first class.

2. Matter of the second and third classes should be inclosed in an unsealed envelope or wrapped in such manner that the contents of the package can be easily examined. Unfolded cards and double advertising cards with detachable parts for reply may be mailed without cover. In all cases the matter should be prepared in such form as to facilitate its handling in the mails.

3. Parcels of fourth-class matter shall not be accepted for mailing unless packed so as to insure safe shipment and permit the contents to be easily examined. (See sec. 462.) Such matter inclosed in boxes to which the lids are nailed or screwed may be accepted for mailing at the fourth-class rates of postage, if, with reasonable effort, the lids can be removed by the use of a chisel, screw driver, or other suitable instrument for the purpose of permitting examination of the contents.

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Sec. 454. Matter of the second, third, or fourth class containing any writing or printing in addition to the original matter, other than as authorized by law, shall not be admitted to the mails, nor delivered, except upon payment of postage for matter of the first class, deducting therefrom any amount which may have been prepaid by stamps affixed, unless by direction of the Postmaster General such postage shall be remitted. Whoever shall knowingly conceal or inclose any matter of a higher class in that of a lower class, and deposit or cause the same to be deposited for conveyance by mail, at a less rate than would be charged for such higher-class matter, shall be fined not more than one hundred dollars.

Sec. 455. When the sender desires that a parcel of third or fourth class matter on which the postage is fully prepaid at the rate for the respective class, or a package of second-class matter prepaid at the rates prescribed in par. 1, section 419, or at publishers' second-class rates, be accompanied with a communication, or other matter of the first class, which is not a permissible inclosure at the lower rate, the communication may be placed in an envelope, and after the full amount of postage at the first-class rate is affixed to the envelope it may be tied to or otherwise securely attached to the outside of the parcel or package in such manner as to prevent its separation there

from and not to interfere with the address thereon. The envelope shall be addressed to correspond with the address on the parcel. Combination envelopes or containers having separate portions for a letter and matter of a lower class may be used for mailing together two classes of matter. Parcels or packages with which communications are mailed in this manner shall be treated as second, third, or fourth class matter, as the case may be. When second-class matter accompanied with a communication under the provisions of this section is prepaid at publishers' second-class rates, a notice of entry as secondclass matter shall be placed in the upper right corner of the address side of the package. Properly prepaid third-class matter inclosed in unsealed envelopes endorsed "Third-class" may be mailed with fully prepaid packages of second, third, or fourth class matter under these conditions.

Sec. 460. All kinds of poison, and all articles and compositions containing poison, and all poisonous animals, insects, and reptiles, and explosives of all kinds, and inflammable materials, and infernal machines, and mechanical, chemical, or other devices or compositions which may ignite or explode, and all disease germs or scabs, and all other natural or artificial articles, compositions, or material of whatever kind, which may kill or in any wise hurt, harm, or injure another, or damage, deface, or otherwise injure the mails or other property, whether sealed as first-class matter or not, are hereby declared to be nonmailable matter, and shall not be conveyed in the mails or delivered from any post office or station thereof, nor by any letter carrier; but the Postmaster General may permit the transmission in the mails from the manufacturer thereof or dealer therein to licensed physicians, surgeons, dentists, pharmacists, druggists, and veterinarians, under such rules and regulations as he shall prescribe, of any articles hereinbefore described which are not outwardly or of their own force dangerous or injurious to life, health, or property: Provided, That all spirituous, vinous, malted, fermented, or other intoxicating liquors of any kind are hereby declared to be nonmailable, and shall not be deposited in or carried through the mails. Whoever shall knowingly deposit or cause to be deposited for mailing or delivery, or shall knowingly cause to be delivered by mail, according to the direction thereon or at any place at which it is directed to be delivered by the person to whom it is addressed, anything declared by this section to be nonmailable, unless in accordance with the rules and regulations hereby authorized to be prescribed by the Postmaster General, shall be fined not more than $1,000 or imprisoned not more than two years, or both; and whoever shall knowingly deposit or cause to be deposited for mailing or delivery, or shall knowingly cause to be delivered by mail, according to the direction thereon or at any place to which it is directed to be delivered by the person to whom it is addressed, anything declared by this section to be nonmailable, whether transmitted in accordance with the rules and regulations authorized to be prescribed by the Postmaster General or not, with the design, intent, or purpose to kill or in any wise hurt,

harm, or injure another, or damage, deface, or otherwise injure the mails or other property, shall be fined not more than $10,000 or imprisoned not more than twenty years, or both.

2. (g) Motion-picture films must be loaded in cars occupied by a postal or railroad employee and in a place that will permit of their ready removal in case of fire. They must not be loaded in cars nor stored in stations or offices in contact with steam pipes or other sources of heat.

(i) The address labels must be plain, with the name of the shipper shown in the upper left corner less conspicuously than the name and address of the addressee, which must appear on the lower half of the label, and all old labels and postage stamps must be removed.

462. 11. Unloaded guns may be sent in the mails, but the postmaster at mailing office shall carefully examine such packages and shall receive them only when sure they are harmless. Cartridges or loaded shells are not mailable.

See section 4781⁄2 as to mailability of pistols, etc.

12. Fragile articles, such as millinery, toys, musical instruments, etc., and articles consisting wholly or in part of glass, or contained in glass, shall be securely packed and the parcel stamped or labeled "Fragile." Parcels so labeled shall be handled with the greatest possible care.

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Sec. 463. Parcels containing perishable articles shall be marked Perishable." Articles likely to spoil within the time reasonably required for transportation and delivery shall not be accepted for mailing.

3. Eggs shall be accepted for mailing when packed in crates, boxes, baskets, or other suitable containers, so constructed as properly to protect the contents. Such packages to be transported outside of mail bags. All parcels containing eggs shall be plainly marked "EGGS." When necessary, they should be marked "THIS SIDE UP."

4. Eggs for hatching shall be accepted for mailing when each egg is wrapped separately and surrounded with excelsior, woodwool, or other suitable material and packed in a basket, preferably with a handle, or other suitable container, lined with paper, fiber board, or corrugated pasteboard. Such parcels shall be labeled " Eggs for hatching," "Keep from heat and cold," "Please handle with care," or other suitable words, and shall be handled outside of mail sacks.

466. 1. (b) Honey bees in quantities may be sent in the mails under the same conditions as are prescribed for queen bees and

their attendant bees when delivery can be made to the addressee within a period of five days. If the cages are wooden, the material of which they are constructed shall not be less than three-eighths of an inch thick and the saw cuts therein or space between slats shall not be over one-eighth of an inch wide; if wire screen is used for the sides of the cages there shall be two thicknesses of screen, separated by slats at least three-eighths of an inch in thickness. Semi-liquid food consisting of sugar syrup inclosed in a tin can with small holes in the bottom of the can to permit of a proper leakage of the food supply may be placed in the cages. The food can shall be securely suspended in the cage with the top of the can wedged against the top of the cage. Cleats approximately 1 inch high shall be securely fastened on the bottom of the cages to prevent the escape therefrom of any sirup that the bees may fail to consume. Each cage shall be provided with a suitable handle and be marked on the top with the words "THIS SIDE UP." Such parcels shall be transported outside of mail bags.

2. Live day-old chicks, day-old ducks, day-old geese, day-old guinea fowl, and day-old turkeys shall be accepted for mailing when the package in which they are contained is properly prepared and can be delivered to the addressee within 72 hours from the time they are hatched.

3. Harmless live animals, having no offensive odor and not likely to become offensive in transit, and which do not require food or water while in transit, such as goldfish packed in moss, baby terrapin, soft crabs, shellfish, blood worms, chameleons, etc., may be sent in the mails to points they may reasonably be expected to reach in good condition. They must be properly prepared for safe transmission, and containers must be labeled "Perishable," and the nature of the contents marked thereon.

Sec. 469. Unmailable matter includes all matter which is by law, regulation, or treaty stipulation prohibited from being transmitted in the mails, or which by reason of illegible, incorrect, or insufficient address it is found impossible to forward to destination. Unmailable matter is classified as follows:

(a) Matter which is insufficiently prepaid to entitle it to be dispatched in the mail.

(b) Matter without address or so incorrectly, insufficiently, or illeg.bly addressed that it can not be transmitted to its destination.

(c) Matter which from its harmful nature is forbidden in the mails. (See secs. 460, 462.)

(d) Matter so damaged in transit that it can not be forwarded to its destination, matter of value found loose in the mails without address so that the destination can not be known, and all matter recovered after depredations in the mails, which shall be forwarded to the department for disposition.

(e) Packages exceeding the limit of weight or size allowed. (See sec. 450.)

(f) Obscene matter. (See sec. 470.)

(g) Libelous and indecent matter. (See sec. 471.)

(h) Treasonable matter. (See sec. 472.)

(i) Liquor advertisements. (See sec. 478.)

(j) Lottery matter. (See sec. 473.)

(k) Fraudulent matter.

(1) Publications which violate copyrights granted by the United States.

(m) Firearms, capable of being concealed on the person. (See sec. 4782).

Sec. 470. Every obscene, lewd, or lascivious, and every filthy book, pamphlet, picture, paper, letter, writing, print, or other publication of an indecent character, and every article or thing designed, adapted, or intended for preventing conception or producing abortion, or for any indecent or immoral use; and every article, instrument, substance, drug, medicine, or thing which is advertised or described in a manner calculated to lead another to use or apply it for preventing conception or producing abortion, or for any indecent or immoral purpose; and every written or printed card, letter, circular, book, pamphlet, advertisement, or notice of any kind giving information, directly or indirectly, where, or how, or from whom, or by what means any of the hereinbefore-mentioned matters, articles, or things may be obtained or made, or where or by whom any act or operation of any kind for the procuring or producing of abortion will be done or performed, or how or by what means conception may be prevented or abortion produced, whether sealed or unsealed; and every letter, packet, or package, or other mail matter containing any filthy, vile, or indecent thing, device, or substance; and every paper, writing, advertisement, or representation that any article, instrument, substance, drug, medicine, or thing may, or can be, used or applied for preventing conception or producing abortion, or for any indecent or immoral purpose; and every description calculated to induce or incite a person to so use or apply any such article, instrument, substance, drug, medicine, or thing, is hereby declared to be nonmailable matter and shall not be conveyed in the mails or delivered from any post office or by any letter carrier. Whoever shall knowingly deposit, or cause to be deposited for mailing or delivery, anything declared by this section to be nonmailable, or shall knowingly take, or cause the same to be taken from the mails for the purpose of circulating or disposing thereof, or of aiding in the circulation or disposition thereof, shall be fined not more than five thousand dollars, or imprisoned not more than five years, or both.

2. And the term "indecent" within the intendment of this section, shall include matter of a character tending to incite arson, murder, or assassination.