2 PROCEEDmrxS of united states national museum. 



6. The specimens will be illustrated and supplemented by pictures, 

 diag-rams, books, and maps, in such manner that the Museum may form 

 an encyclopedia, the illustrations for which are in the exhibition cases, 

 the text in the labels. 



7. Guide-book manuals of the diiiereut departments will be published 

 which will embody in concise and systematic form the informatioh given 

 by the specimen labels, together with such illustrative material as may 

 seem necessary to present in addition. 



