INDEX 



A 



Page 



Abbot, Charles G., Secretary of the Institution iii, ix, 18 



Director, Astrophysical Observatory xiii, 6, 106, 107, 108, 110, 111 



Director, Division of Radiation and Organisms xiii 



Keeper ex officio, National Museum x 



Member ex officio. Board of Trustees, National Gallery of Art 32 



Secretary (in charge). International Exchanges xiii 



Secretary, Smithsonian Art Commission 8, 48, 49 



Secretary, Smithsonian Gallery of Art Commission 9 



Academy of Natural Sciences of Philadelphia 20 



Adams, Herbert 8, 48 



Adler, Cyrus x 



Administrative assistant to the Secretary (Harry W. Dorsey) ix 



Administrative staff xii 



Air transport. Modern trends in (Durand) 513 



Aldrich, Loyal B xiii, 106 



Alston, A. H. C 28 



Animals in the National Zoological Park, June 30, 1939 86 



Arrigutti, Ennio 78 



Arthur, James 14 



Arthur lecture, eighth 14 



Aschemeier, C. R 15 



Assistant Secretary of the Institution (Alexander Wetmore) ix, x, 20, 27, 31 



Associate director. National Museum (John E. Graf) x 



Astrophysical Observatory xiii, 2, 6 



field stations 6, 109 



personnel xiii, 1 10 



publications 17, 108 



report HO 



work at Washington 106 



Atomic nuclei, Our knowledge of (Harnwell) 189 



Ayres, Louis 8, 48 



B 



Back, E. A. (Bookworms) 365 



Bacon, Walter Rathbone, traveling scholarship 12, 20 



Barbeau, Marius (The modern growth of the totem pole on the northwest 



coast) 491 



Barkley, Alben W. (regent of the Institution) ix, 8, 9 



Barnes, J. T ^ 



Bartlett Greenland expedition 20, 21 



Bartlett, Capt. Robert 16, 27 



Bartsch, Paul x, xi 



Bass Biological Laboratory 20 



Bassler, R. S xi, 15, 28 



(Geologic exhibits in the National Zoological Park) 265 



555 



