606 INDEX 



Page 



National Zoological Park 1,5 



accessions 70 



animals in the collection, June 30, 1938 78 



director x, xii, 13, 68, 97 



report 67 



staff xii 



visitors 70 



Nebulae, The nature of the (Hubble) 137 



Nuclear physics, Some aspects of, of possible interest in biological work 



(DuBridge) 227 



O 



O'Brien, Dr. Brian 102 



Ocean, The floor of the (Boswell) 275 



Oehser, Paul EL, editor, National Museum — xi, 117 



Oliver, Lawrence L., property clerk, National Museum xi 



Olmsted, Dr. Arthur J xi 



Olmsted, Helen A., personnel officer of the Institution ix 



P 



Paleontology, The future of (Cushman) 317 



Panning, A. (The Chinese mitten crab) 361 



Parent fund 122 



Pell fund, Cornelia Livingston 122 



Perkins, Fiances, Secretary of Labor (member of the Institution) ix 



Perrygo, Watson M 12 



Phillips, Duncan xii 



Physics, Some aspects of nuclear, of possible interest in biological work 



(DuBridge) 227 



Plants without soil, The water-culture method for growing (Hoagland and 



Arnon) 461 



Poore fund, Lucy T., and George W 122 



Price, Waterhouse & Co 32, 33 



Publications of the Institution and branches 14 



report 1 1 5 



R 



Radiation and Organisms, Division of 1,2, 6 



report 105 



staff xiii 



Radiation, Cosmic (Blackett) 175 



Ranger fund purchases, Henry Ward 41 



Regents of the Institution, Board of ix 



executive committee ix 



report 121 



Rehder, Harald A x 



Reid fund, Addison T 122 



Research fund, special 122 



Resser, Dr. Charles E xi, 12, 24 



Rhees fund 122 



Riley, J. H x 



