8 REPORT OF NATIONAL MUSEUM, 1920. 



Department or Biology — Continued. 



Division of Marine Invertebrates — Continued. 



Section of Helminthological Collections: C. W. Stiles, Custodian; B. H. 

 Ransom, Assistant Custodian. 

 Division of Echinoderms: Austin H. Clark, Curator. 



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

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

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

 Ellsworth P. Killip, Aid. 

 Section of Grasses : Albert S. Hitchcock, Custodian. 

 Section of Cryptoganiic Collections: O. F. Cook, Custodian. 

 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. 

 Department of Geology : 



George P. Merrill, Head Curator. 

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



George P. Merrill, Curator ; E. V. Shannon, Assistant Curator. 

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

 AA\ F. Foshag, Assistant Curator; Frank L. Hess, Custodian of Rare 

 Metals and Rare Earths. 

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

 sistant Curator. 

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

 Mesozoic Collection ; AA'illiam H. Dall, Associate Curator of Cenozoic 

 Collection ; T. Wayland Vaughan, Custodian of Madreporarian Corals. 

 Section of Vertebrate Paleontology : Charles AV. Gilmore, Associate Cura- 

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

 Section of Paleobotany: David AA T hite, Associate Curator; F. H. Knowl- 

 ton, Custodian of Mesozoic Plants ; Lucile Simpson, Aid. 

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

 Associate in Petrology: Joseph P. Iddings. 



DEPARTMENT OF ARTS AND INDUSTRIES '. 



AA'illiam deC. Ravenel, Director. 

 Division of Textiles: Frederick L. Lowton, Curator; Mrs. E. AA 7 . Rosson, 



Aid. 

 Section of Wood Technology: AA'illiam M. N. AVatkins, Assistant Curator. 

 Division of Medicine: Charles Wbitebread, Assistant Curator. 

 Division of Mineral Technology: Chester G. Gilbert, Associate Curator. 

 Division of Mechanical Technology: C. AA r . Mitman, Curator; Barbara E. 



Bartlett, Aid ; George AA'. Spier, Custodian of Watches, 

 National Gallery of Art : 



AA'illiam H. Holmes, Curator. 



ADMINISTRATIVE STAFF. 



Chi^f of Correspondence and Documents, H. S. Bryant. 



Disbursing Agent, AA'. I. Adams. 



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



Editor, Marcus Benjamin. 



Assistant Librarian, N. P. Scudder. 



Photographer, A. J. Olmsted. 



Property and Shipping Clerk, AA T . A. Knowles. 



Engineer, C. R. Denmark. 



