SECRETARY'S REPORT 16 



leries and museums. Exhibitions from the "Index of American 

 Design" were given 60 bookings in 20 States and the District of 

 Columbia. About 41,000 persons attended the Gallery's "Picture of 

 the "Week" talks, and 10,000 persons attended the 44 Smiday lec- 

 tures in the auditorium. The Sunday evening concerts in the west and 

 east garden courts were continued. 



Library. — A total of 71,179 publications were received by the 

 Smithsonian library during the year. Approximately 650 new ex- 

 changes were arranged. More than 150 individual donors sent gifts 

 of desirable books and periodicals. At the close of the year the hold- 

 ings of the Smithsonian library and all its branches aggregated 

 951,409 volumes, including 585,592 in the Smithsonian Deposit in 

 the Library of Congress but excluding incomplete volumes of serials 

 and many thousands of reprints and separates from serials. 



Puhlicatioih'i. — Seventy publications were issued under the Smith- 

 sonian imprint during the year (see Report on Publications, p. 160, 

 for full list). Outstanding among these were "The Material Cul- 

 ture of Pueblo Bonito," by Neil M. Judd; "The Black Flies (Diptera, 

 Simuliidae) of Guatemala and Their Role as Vectors of Onchocer- 

 ciasis," by Herbert. T. Dahnat ; "Check List of North American Recent 

 Mammnis," by Gerrit S. Miller, Jr., and Remington Kellogg; "Frogs 

 of Southeastern Brazil," by Doris M. Cochran; "The Horse in Black- 

 foot Indian Culture," by John C. Ewers; "A Ceramic Study of Vir- 

 ginia Archeology," by Clifford Evans; Volume 7 of the Annals of the 

 Astrophysical Observatory; "Masters of the Air," by Glenn O. 

 Blougli; and Volume 1 of the new^ series Ars Orientalis. In all, 

 428,286 pieces of printed matter were distributed during the year — 

 192,108 copies of publications and 226,178 miscellaneous items. 



