94 ANNUAL, REPORT SMITHSONIAN INSTITUTION, 1^19. 



Park, amounted to 639 publications, distributed as follows: Office 

 library, 358 volumes and 20 pamphlets; Astrophysical Observatory, 

 89 volumes, 11 parts, 18 pamphlets; National Zoological Park, 140 

 volumes and 3 pamphlets. There was a circulation of 146 volumes. 



Aeronautical collection. — Continued interest has been manifested 

 in the institution's collection of aeronautical publications, which has 

 been of special value to aeronautical-research workers in the Army, 

 the Navy, and scientific institutions. Seventy-eight titles have been 

 added during the year. The Bibliography of Aeronautics, com- 

 pleted last year, is being printed by the National Advisory Commit- 

 tee for Aeronautics, and will be ready for distribution shortly. 



Reading room. — No new titles of particular interest have been 

 added to the reading room during the year. In the interest of war- 

 time economy on the part of the publishers, several popular maga- 

 zines were not received in exchange. The number of magazines 

 loaned during the year was 3,140. 



Em'ployees' library. — The number of loans in the employees' library 

 was 332. The collection has been reeatalogued, classified, and rear- 

 ranged on the shelves. The volumes in the stacks are being rear- 

 ranged, so that the magazines in greatest demand will be rendered 

 more accessible. 



Art room. — The collection in the art room, including the pieces of 

 statuary as well as the books, have been carefully gone over during 

 the year, and those that could not be considered as relating to the 

 fine arts were sent elsewhere in order to make room for material 

 which should be placed here. The large cases were remodeled in 

 order to take care of the large portfolios of prints, especially those 

 of the Marsh collection, and other books which should be under cover. 

 The whole contents of this room is rearranged, catalogued, classified^ 

 and put in thorough order. 



De Peyster collection. — Author cards for 1,722 titles of books in 

 the De Peyster collection have been made, and the volumes on French 

 historyj numbering 869 titles, have been arranged on the shelves and 

 rendered accessible. 



NATIONAL MUSf:UM LIBRARY. 



The loans made by the Museum library during the year were 13,913, 

 an increase over last year of 2,676. There were catalogued 1,048 

 volumes, 3,229 pamphlets; 62 volumes and 115 pamphlets were re- 

 catalogued; 1,322 volumes were sent to the Government bindery and 

 710 returned. 



The most important acquisition was a set of catalogues of the 

 J. Pierpont Morgan art collection, presented by J. Pierpont Morgan, 

 jr. The set numbers 29 volumes, many of them privately printed in 



