CONTENTS 



Page 



List of oflScials xi 



The Smithsonian Institution 1 



The establishment 1 



The Board of Regents 2 



General considerations 2 



Finances 4 



Researches and explorations G 



Geological explorations in the Canadian Rockies 



Expedition to the Dinosaur National Monument, Utah 7 



Biological explorations in the Yang-tze Valley, China 8 



Botanical exploration in Panama and Central America 8 



Studies on early man in Europe 9 



Smithsonian series of radio talks 10 



Assistance to Japanese libraries destroyed during the recent earth- 

 quake 12 



Cooperation with associations meeting in Washington 12 



Publications 13 



Library 15 



National Museum 15 



National Gallery of Art 18 



Freer Gallery of Art 19 



Bureau of American Ethnology 20 



International exchanges 22 



National Zoological Park 23 



Astrophysical Observatory 24 



International Catalogue of Scientific Literature 24 



Necrology 25 



Appendix 1. Report on the United States National Museum 27 



2. Report on the National Gallery of Art 47 



3. Report on the Freer Gallery of Art 57 



4. Report on the Bureau of American Ethnology (j2 



5. Report on the International Exchanges 77 



6. Report on the National Zoological Park 87 



7. Report on the Astrophysical Observatory 103 



8. Report on the International Catalogue of Scientific Litera- 



ture- 111 



9. Report on the Library.- 113 



10. Report on publications 116 



Generai, ApI'ENDIX. 



Page 



The origin of the solar system, by J. U. Jeans 139 



The electrical structure of matter, by Prof. Sir Ernest Rutherford 161 



The physicist's present conception of an atom, by R. S. Millikan 187 



V 



