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REPORT OF THE LIBRARIAN 
Dr. N. L. Brirron, Drrecror-1n-CuieErF. 
Sir: I have the honor to submit the following report for 
the year 1919. 
Owing to the low temperature in the library it was found 
necessary to omit the customary census of the books. 
From the records, however, the following statistics can be 
given: books purchased, 147; bound, 323; acquired by gift, 
71, and received by exchange or on deposit, 32, making a 
total of 573. From these should be deducted 107 books 
which were rebound and 11 permanently recalled by 
Columbia, showing a net gain of 455 over the census of a 
year ago. The total number of bound volumes in the 
library should therefore approximate 29,692. 
As will be noted, a beginning has been made upon rebind- 
ing the older books of the collection. It is hoped that this 
work may be continued, also that more funds may be 
available for keeping the current periodicals bound up to 
date. 
The principal accessions have been listed as usual in the 
Journal. The largest purchase of books was that of 125 
works on agriculture, horticulture and landscape archi- 
tecture, thus strengthening a part of the collection which 
was notably weak. Their shelving, however, has greatly 
crowded the stacks in the Bibliographer’s room and addi- 
tional space is again needed. In addition to the books 
just referred to, 312 pamphlets on similar subjects have 
been purchased and catalogued. 
There have been added to the catalogue 1,573 type- 
written and written cards, in addition to the printed ones 
issued by the Torrey Botanical Club. Owing to the 
resignation of the library assistant on November 15 this 
important work was necessarily stopped. It is hoped that 
another assistant may soon be appointed in order that this 
as well as other branches of the library work may not be 
curtailed. In spite of the weeding-out process which has 
been carried on in the general card catalogue many of the 
