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, of 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 may be 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 non-mailable 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 non-mailable, 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. _But no book, magazine, pamphlet, paper, letter, writing or publication is obscene, lewd, or lascivious, or of an indecent character, or non-mailable by reason of the fact that it mentions, discusses or recommends prevention of conception, or gives information concerning methods or means for the prevention of conception: or tells how, where, or in what manner such information or such means can be obtained: and no article, instrument, substance or drug is non-mailable by reason of the fact that it is designed or adapted for the prevention of conception, or is advertised or otherwise represented to be so designed or adapted._ (Matter in brackets omitted; matter in italics new.) II. A Bill to Amend Section 245, The Federal Penal Code.