REPORT OF THE SECRETARY. 91 



The museum received by transfer a collection of pharmaceutical 

 works from the hygienic laboratory, May 15, 1918. This collection, 

 brought together by Dr. M. G. Motter, the librarian, consists of 932 

 Tolumes, 12 pamphlets, and 2,060 periodicals. 



The continued interest of Dr. William H. Dall in books for the 

 sectional library of the division of mollusks has resulted in the 

 further enriching of this collection by gift from him of 237 titles 

 during the year. Other contributions to the library were received 

 from Dr. Charles D. Walcott, Dr. O. P. Hay, Dr. C. W. Kichmond, 

 Dr. W. H. Holmes, Mr. W. E, Maxon, Dr. G. C. Maynard, Mr. Wil- 

 liam Palmer, Mr. J. M. Flint, Mr. G. S. Miller, jr., Mr. B. H. Swales, 

 Dr. Ales Hrdlicka, Mr. J. P. McLean, and Mr. E. C. Paine. 



Accessions. — There were accessioned during the year 3,230 vol- 

 umes, including 1,010 completed volumes of periodicals, 42 parts of 

 volumes, and 1,529 pamphlets. The number of books in the library 

 is now 137,008, consisting of 52,513 volumes, 124 manuscripts, and 

 84,371 pamphlets. 



Cataloguing. — The cataloguing covered 1,436 volumes, 48 parts of 

 volumes, and 1,938 pamphlets. Four thousand four hundred and 

 twenty section cards were made. 



Loans. — Eleven thousand two hundred and thirty-seven books were 

 loaned during the year, of which 2,658 were borrowed from the 

 Library of Congress and 122 from other libraries. The number of- 

 books consulted in the reading room is estimated at 6,110. 



Binding. — With the additions to the library from the Library of 

 the Biltmore Herbarium and the collection of works from the Hy- 

 gienic Laboratory, the binding needs have become more acute, but 

 everything is being done to relieve the situation in so far as the 

 funds will allow. One thousand seven hundred and six books were 

 sent to the Government binder during the year, and 841 have been 

 returned. 



Technological series. — Additions to the Technological Library, ex- 

 clusive of duplicates, numbered 281 volumes, 3,863 parts of volumes, 

 454 pamphlets, and 4 maps. Periodicals entered on records and 

 shelved number 35 volumes and 2,663 parts of volumes. Two hun- 

 dred and thirty-one cards for books catalogued were filed in the li- 

 brary's catalogue. In the scientific depository catalogue 1,880 author 

 cards were filed and, to 3,762 additional cards, subject headings were 

 added and filed, making a total addition to the catalogue of 5,642 

 cards. 



Duplicates received number 28 volumes, 278 parts of volumes, and 

 105 pamphlets. These were arranged and filed with the collection of 

 duplicates. 



The books and periodicals loaned during the year number 225 

 volumes and 157 parts of volumes and pamphlets, making a total 



