Contents 13 



PAGE 



Publication of the Zoology of the Congo 30 



Rapid Progress in the Study and Collection of Birds 32 



Description and Extension of our Mammal Collections 33 



Cooperation Among Museums of America 34 



Vanishing Race of Polynesia 34 



Exchange of Collections 35 



Exchange of Membership Privileges 36 



Membership and Staff 36 



Public Activities of the Staff 37 



Hospitality to Societies 40 



Special Gifts and Acknowledgments 42 



Reports of the Director and Curators 49 



Report of the Director 49 



Attendance 49 



Statistics of Numbers Reached by the Museum and Its Extension Ed- 

 ucational System 50 



Sales of Publications 50 



Printing Plant 51 



Miscellaneous Printing During 1920 52 



New Exhibits 52 



Special Exhibits 53 



Heating and Lighting 53 



Accessions and Shipments 54 



Needs of the Museum 54 



Public Education in the Museum and in the Schools 55 



Extent of Service 55 



Factors in Growth 56 



Nature Study Collections 56 



Traveling Food Exhibit 57 



Art and Design 57 



Lectures for School Children 57 



Local Lecture Centers 58 



Service to the Training School for Teachers 58 



General Lectures and Summary 58 



Lending of Lantern Slides 59 



Support from Board of Education 60 



Work with the Blind 61 



Loans to Public Libraries 62 



Exhibition Hall Instruction 62 



Photographic Services 63 



Changes in Staff 4 63 



Outside Activities of Staff 63 



Acknowledgments 64 



Geology, Geography and Past Life of the Earth 66 



Exhibition Hall 66 



