22 ORGANIZATION OF THE U. S. NATIONAL MUSEUM. 



correspondiug to the accompanying list. I hereby accept them iu trust 

 upon the following conditions : First. That they are to be used for pur- 

 poses of investigation, and returned in as good condition as they were 

 received, and as soon as my work upon them is completed. Second. 

 That no unique specimens constituting part of the reserve series of the 

 National Museum shall be mutilated. Third. That duplicates when 

 necessary may be dissected, understanding bj^ kluplicate' a specimen 

 which is not necessary to illustrate variations of form or range of geo- 

 graphical distribution. Fourth. That the specimens when returned 

 shall be labeled with the names which I have employed in my publica- 

 tions upon them. Fifth. That credit shall be given to the Smithsonian 

 Institution in all publications based upon material furnished by it." 



[Signature of borrower.] 



COMPLAINTS. 



XLI. 



Any failure on the part of an offlcer or employe to properly perform 

 his duties should be promptly reported iu writing to the Director ; also 

 to the Assistant Director any losses of specimens, or any damages re- 

 ceived by specimens in the Museum or iu packing aud transit. 



PASSES AND PERMITS. 



XLII. 



Passes for individuals and permits to remove articles must be signed 

 by the Director, the Assistant Director, or the Chief Clerk of the Smith- 

 sonian Institution. 



CORRESPONDENCE. 



XLIII. 



Correspondence of a formal or complimentary character, transmitting 

 specimens or books, acknowledging gifts or courtesies, making arrange, 

 ments for exchanges, &c., &c., as well as all announcements, circulars 

 and communications of general importance will be signed by the Director, 

 who may request any officer of the Museum to prepare such writing. 



Letters of an informal character should be signed by the officer to 

 whom they are referred, the signatures being accompanied by the signers' 

 official title. 



All correspondence relating to the general administration of the Mu- 

 seum will be iu charge of the Assistant Director and the Eegistrar. 



The Curator of each department Avill attend to correspondence relating 

 especially to the matters under his charge. 



Copies of all official letters must be kept either in copy book or stylo- 

 graph book, and these books shall constitute a j)art of the archives of 

 the Museum. 



When the symbol A is marked upon a letter it signifies that an an- 

 swer is to be x^repared for the signature of the Director. When the 



