REPORT OF THE SECRETARY 117 



The gorillas of the Kayonsa region, Western Kigezi, SW. Uganda, by 



Capt. C. R. S. Pitman. 

 The vampire bat : A presentation of undescribed habits and review of 



its history, by Raymond L. Ditmars and Arthur M. Greenhall. 

 Some of the commoner birds of Ceylon, by Casey A. Wood. 

 The wax palms, by Miriam L. Bomhard. 



Significance of shell structure in diatoms, by Paul S. Conger. 

 Some aspects of the plant virus problem, by Kenneth M. Smith. 

 Sun rays and plant life, by Earl S. Johnston. 

 Reactions to ultraviolet radiation, by Florence E. Meier. 

 Aerial photography, by Capt. H. K. Baisley. 

 Easter Island, Polynesia, by Henri Lavachery. 

 The Eskimo archeology of Greenland, by Therkel Mathiassen. 

 Petroglyphs of the United States, by Julian H. Steward. 

 The history of the crossbow, illustrated from specimens in the United 



States National Museum, by C. Martin Wilbur. 



Report for 1937. — The report of the Secretary, which included the 

 financial report of the executive committee of the Board of Regents, 

 and will form part of the annual report of the Board of Regents to 

 Congress, was issued in January 1938. 



Report of the Secretary of the Smithsonian Institution and financial report 

 of the executive committee of the Board of Regents for the year ended June 30, 

 1937. 128 pp., 7 pis., 1 fig. (Publ. 3449.) 



The report volume, containing the general appendix, was in press 

 at the close of the year. 



SPECIAL PUBLICATIONS 



Explorations and field work of the Smithsonian Institution in 1937. 122 pp., 

 123 figs. (Publ. 3480.) April 9, 1938. 



Radio Program Folders, "The World is Yours." Edition of 200,000 distributed 

 by the Office of Education, United States Department of the Interior. 



PUBLICATIONS OF THE UNITED STATES NATIONAL MUSEUM 



The editorial work of the National Museum has continued during 

 the year under the immediate direction of the editor, Paul H. Oehser. 

 There were issued 1 annual report, 4 bulletins, and 1 separate from 

 Bulletin 100, 1 volume of the Proceedings, and 19 separates from 

 Proceedings volumes 84 and 85, as follows : 



MUSEUM EEPOET 



Report on the progress and condition of the United States National Museum 

 for the year ended June 30, 1937. iii+130 pp. January 1938. 



PROCEEDINGS : VOLUME S4 



Complete volume : 



Proceedings of the United States National Museum. Vol. 84, viii+606 pp., 

 80 pis., 34 figs. 



