42 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1918. 



The library obtained, by purchase, gift, and exchange, 6,162 vol- 

 umes, 42 parts of volumes, and 1,541 pamphlets. The more impor- 

 tant donations were the library of Biltmore Herbarium, and a large 

 series of pharmaceutical works transferred from the Hygienic Lab- 

 oratory. 



Respectfully submitted. 



W. de C. Ravenel, 

 Administrative Assistant, 

 Dr. Charles D. Walcott, 



/Secretary of the Smithsonian Institution. 



October 31, 1918. 



