400 NINTH ANNUAL REPORT, ETC. 



tion of the Library which you desire to be included in the Re- 

 port ; also a list of all Reviews, Magazines, and Newspapers 

 taken regularly in your library or reading-room. 



Copyright Laws, ^'c, relating to the Smithsonian Institution. 

 CIRCULAR. 

 Smithsonian Institution, Washington, 1855. 

 Sir : Your attention is respectfully called to the fact that an act of 

 Congress of August 10th, 1846, requires you to send to the Hbrar^- of 

 the Smithsonian Institution a copy of any " booh, map, chart, musical 

 co7nposition, print, cut, or engraving,'''' which shall be copyrighted b}^ you. 

 The following is the law on the subject : 



'■'■An act to establish the ^Smithsonian Institution,'' tyc. 



•'Sec. 10. And be it further enacted. That the author or proprietor of 

 any book, map, chart, musical composition, print, cut, or engraving, 

 for which a copyright shall be secured under the existing acts of Con- 

 gress, or those which shall hereafter be enacted respecting copyrights, 

 shall, within three months from the publication of said book, map, 

 chart, musical composition, print, cut, or engraving, deliver, or cause 

 to be delivered, one copy of the same to the librarian of the Smithson- 

 ian Institution, and one copy to the librarian of the Congress Library, 

 for the use of the said libraries. 



"Approved August 10, 1846." 



An act of Congress passed at its last session, and approved March 

 3d, 1855, contains the following section : 



" Sec. 5. Aiid be it further enacted, That all books, maps, and charts, 

 or other publications entered for copyright, and which, under the act of 

 August 10th, 1846, are required to be deposited in the Library of Con- 

 gress, and in the Smithsonian Institution, may be sent through the mail 

 free of postage, under such regulations as the Postmaster General may 

 prescribe.' 



"Approved March 3, 1855. 



The following instructions have just been issued by the Postmaster 

 General in reference to these acts : 



"No. 35. Copyright books, charts, &c., [see law annexed,] required 

 to be delivered to the Library of Congress or Smithsonian Institution, 

 and which are entitled to pass free in the mail, should be superscribed 

 'Copyright for Congress Library,' or 'Smithsonian Institution,' as the 

 case may be." 



These provisions will enable you to send all your copj^right publi- 

 cations to the Institution free of charge, and you are requested to for- 

 ward them Ijy mail, in the manner indicated. 



Please inform us by letter when any articles are sent, and enclose a 

 postage stamp if you wish a certificate of deposit to be returned. 

 Very respectfully, your obedient servant, 



JOSEPH HENRY, 

 Secretary Smithsonian Institution. 



