36 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 Library is approximately 2000 volumes, and about 
three times as many pamphlets and parts. There are at present 
on the shelves approximately 7300 volumes and several times as 
many pamphlets and parts. 
[152] 
9 
