REPORT OF THE SECRETARY 117 



Mention should also be made of the collection deposited by Mrs. 

 Charles D. Walcott, who has kindly extended the period of deposit. 

 It is frequently consulted by employees of the Smithsonian In- 

 stitution. 



UNITED STATES NATIONAL, MUSEUM 



The widespread interest of members of the staff and friends 

 of the museum is shown by the material donated during the year. 

 Among the donors are Messrs. H. E. Boving, A. H. Clark, F. W. 

 Clarke, W. H. Dall, Whitman Cross, C. G. Gilbert, O. P. Hay, 

 A. D. Hopkins, Ales Hrdlicka, Emmanuel de Margerie, W. R. 

 Maxon, W. de C. Ravenel, C. W. Richmond, S. A. Rohwer, W 

 Schaus, and Charles D. Walcott. The gifts of Doctor Dall to the 

 sectional library of mollusks numbered 168 titles. 



Valuable material has continued to come in exchange from mu- 

 seums, research organizations, and scientific societies at home and 

 abroad. 



The receipts of the year numbered 1,489 volumes and 2,796 pam- 

 phlets, bringing the total of books and other material in the library 

 up to 160,560. Of these there are 62,170 accessioned volumes. New 

 entry cards were made for 239 periodicals, and 13,314 parts were 

 entered. 



Much of the library's reference service is rendered through the 

 sectional libraries, under the immediate custody of members of the 

 scientific and administrative staff, located as follows : 



NATURAL HISTORY BUILDING 



American archeology. Mollusks. 



Anthropology. Old World archeology. 



Birds. Paleobotany. 



Fishes. Physical anthropology. 



Geology. Property clerk's office. 



Invertebrate paleontology. Reptiles and batrachians. 



Mammals. Superintendent's office. 



Marine invertebrates. Vertebrate paleontology. 

 Minerals. 



ARTS AND INDUSTRIES BUILDING 



Administration. Medicine. 



Administrative assistant's office. Mineral technology. 



Foods. Photography. 



History. Textiles. 



Mechanical technology. Wood technology. 



SMITHSONIAN BUILDING AND ANNEX 



Botany. Taxidermy. 



Editor's office. War library. 



Graphic arts. 



1454—25 9 



