EEPOKT OF THE SECEETAllY 17 



Indians of California, and later in the year returned to that State 

 to continue his studies, this j'ear on the Esselen and Antoniano 

 Indians in the southern part of Monterey County. 



Dr. F. H. H. Roberts, jr., concluded his excavations begun the pre- 

 vious year at a site on the Zuili Reservation, N. Mex., and later in the 

 year began work on the ruins of a large pit-house village near 

 Allantown, Ariz. J. N. B. Hewitt again visited the Grant of the 

 Six Nations of the Iroquois on the Grand River in Ontario, Canada, 

 and briefly the Tuscarora reservation in western New York State, 

 in connection with the Iroquois texts which he is preparing for 

 publication. Winslow M. Walker was added to the bureau stall as 

 associate anthropologist in March, 1931. Toward the end of the 

 year he left Washington to investigate a number of caves near 

 Gilbert, Ark., and on June 30 the work was still in progress. Miss 

 Frances Densmore continued her study of Indian music for the 

 bureau, working particularly with the Chippewa on Lake Superior 

 and the Seminole of Florida. 



The bureau issued two annual reports and three bulletins during 

 the year and distributed 20,475 copies of its publications. 



INTERNATIONAL EXCHANGES 



The exchange service handles for the United States the official 

 exchange with all other countries of parliamentary documents, 

 departmental documents, and miscellaneous scientific and literary 

 publications. 



The number of packages of such publications handled during the 

 year was 641,338, a decrease of 53,327 from the previous year; the 

 weight of this material was 642,190 pounds, a decrease of 65,904 

 pounds. 



As usual, aid was given the Library of Congress in procuring 

 needed foreign publications, as well as a number of other establish- 

 ments here and abroad in obtaining specially desired publications. 



NATIONAL ZOOLOGICAL PARK 



The year has been marked at the Zoo by an unusually large 

 number of accessions and by the opening of the new reptile house, 

 enabling the park for the first time to exhibit these interesting 

 creatures. The year's accessions totaled 1,266 animals, while 761 

 were lost through death, exchange, or return of animals on deposit, 

 leaving a total of 2,501 in the collection at the close of the year. 

 The outstanding accession of the year was the bequest of the Victor 

 J. Evans collection of 244 animals, representing 133 species, which 

 composed Mr. Evans's private zoo and which contained a number 



