,g Director's Annual Report. 



very valuable sets of publications have been received, including 

 several complete sets, and several that lacked a few volumes only. 

 Several institutions requesting exchanges have been refused on 

 the ground that their publications were not within the field of the 

 museum work. During 1915 the following have been added to 

 our exchange list: American Fern Society, University of the 

 Philippines, National Academy of Science. 



•'The total number of names now on the exchange list is 133. 



"The total number of accessions in the five years since the 

 removal of the Librarv is approximately 2000 volumes, and about 

 three times as manv pamphlets and parts. There are at present 

 on the shelves approximately 7300 volumes and several times as 



manv pamphlets and parts. 



' [152] 



