98 REPORT OE NATIONAL MUSEUM, 1918. 



Department of Biology. — Continued. 



Division of Plants (National Herbarium) : Frederick V. Coville, Honorary 

 Curator; J. N. Rose, Associate Curator; W. R. Maxon, Associate 

 Curator ; P. C. Standley, Assistant Curator ; Emery C. Leonard, Aid. 

 Section of Grasses : Albert S. Hitchcock, Custodian. 

 Section of Cryptogamic Collections: O. F. Cook, Assistant Curator. 

 Section of Higher Algae : W. T. Swingle, Custodian. 

 Section of Lower Fungi : D. G. Fairchild, Custodian. 

 Section of Diatoms : Albert Mann, Custodian. 

 Associates in Zoology : C. Hart Merriam, W. L. Abbott, Mary J. Rathbun. 

 Associate in Botany : John Donnell Smith. 

 Collaborator in Zoology : Alfred M. Collins. 

 Department of Geology : 



George P. Merrill, Head Curator. 

 Division of Physical and Chemical Geology (Systematic and Applied) : 



George P. Merrill, Curator ; James C. Martin, Assistant Curator. 

 Division of Mineralogy and Petrology: F. AV. Clarke, Honorary Curator; 

 W. T. Schaller, Custodian of Gems and Precious Stones; Frank L. 

 Hess, Custodian of Rare Metals and Rare Earths. 

 Division of Paleontology: R. S. Bassler, Curator; Charles E. Resser, 

 Assistant Curator. 

 Section of Invertebrate Paleontology : T. W. Stanton, Custodian of 

 Mesozoic Collection ; William H. Dall, Associate Curator of Cenozoic 

 Collection; T. Wayland Vaughan, Custodian of Madreporarkm 

 Corals. 

 Section of Vertebrate Paleontology: Charles W. Gilmore, Associate 

 Curator; James W. Gidley, Assistant Curator of Fossil Mammals. 

 Section of Paleobotany: David White, Associate Curator; F. H. 

 Knowlton, Custodian of Mesozoic Plants; Eula D. McEwan, Aid. 

 Associates in Paleontology: Frank Springer, E. O. Ulrich. 

 Associate in Petrology : Joseph P. Iddings. 

 Division of Textiles : 



Frederick L. Lewton, Curator. 



Section of Wood Technology: William M. N. Watkins, Assistant 

 Curator. 

 Division of Medicine: 



Charles Whitebread, Assistant Curator. 



Associate in Medicine: James M. Flint, United States Navy (Retired). 

 Division of Mineral Technology : 



Chester G. Gilbert, Curator; Joseph E. I'ogue, Assistant Curator. 

 National Gallery of Art : 



William H. Holmes, Curator. 



ADMINISTRATIVE STAFF. 



Chief of Correspondence and Documents, H. S. Bryant. 



Disbursing Agent, W. I. Adams. 



Superintendent of Buildings and Labor, J. S. Goldsmith. 



Editor, Marcus Benjamin. 



Assistant Librarian, N. P. Scudder. 



Photographer, Loring W. Beeson. 



Registrar, S. C. Brown. 



Property Clerk, W. A. Knowles. 



Engineer, C. R. Denmark. 



