REPORT OF THE SECRETARY. 11 7 



Fire worship of the Hopi Indians, by J. Walter Pewkes. 



Racial groups and figures in the Natural History Building of the United States 



National Museum, by Walter Hough. 

 Notes on the dances, music, and songs of the ancient and modern Mexicans, by 



Auguste Genin. 

 The Ralph Cross Johnson collection in the National Gallery at Washington, 



D. C, by George B. Rose. 



PUBLICATIONS OF THE UNITED STATES NATIONAL MUSEUM. 



The publications of the National Museum are: (a) The annual 

 report; (b) the Proceedings of the United States National Museum; 

 and (c) the Bulletin of the United States National Museum, which 

 includes the Contributions from the United States National Herba- 

 rium. The editorship of these publications is vested in Dr. Marcus 

 Benjamin. 



During the year ending June 30, 1921, the Museum published 1 

 annual report, 8 complete bulletins, 4 parts of bulletins, 5 parts of 

 volumes in the series Contributions from the United States National 

 Herbarium, and 51 separates from the proceedings. 



The issues of the bulletin were as follows : 



Bulletin No. 106 (plates). North American early tertiary Bryozoa. By 

 Ferdinand Canu and Ray S. Bassler. 



Bulletin No. 109. Contributions to a history of American State geological and 

 natural history surveys. By George P. Merrill. 



Bulletin No. 110. Osteology of the carnivorous dinosauria in the United 

 States National Museum, with special reference to the genera Antrodemus 

 (Allosaurus) and Ceratosaurus. By Charles Whitney Gilmore. 



Bulletin No. 111. A monograph of the east American scaphopod mollusks. By 

 John B. Henderson. 



Bulletin No. 112. Summary of the marine shell-bearing mollusks of the north- 

 west coast of America, from San Diego, Calif., to the Polar Sea, mostly 

 contained in the collection of the United States National Museum, with 

 illustrations of hitherto unfigured species. By William Healey Dall. 



Bulletin No. 115. The fossil crinoid genus Dolatocrinus and its allies. By 

 Frank Springer. 



Bulletin No. 116. The dipterous genus Dolichopus latreille in North America. 

 By M. C. Van Duzee, F. R. Cole, and J. M. Aldrich. 



Bulletin No. 117. The distribution of bird life in the Urubamba Valley of 

 Peru. A report on the birds collected by the Yale University — National 

 Geographic Society's expeditions. By Frank M. Chapman. 



Of the separate papers of bulletins, the following were issued : 

 Bulletin 100. Contributions to the biology of the Philippine Archipelago and 

 adjacent regions. Volume 1, part 7 : The macrouroid fishes of the Philip- 

 pine Islands and the East Indies. By Charles Henry Gilbert and Carl L. 

 Hubbs. 

 Bulletin 100. Contributions to the biology of the Philippine Archipelago and 

 Adjacent Regions. Volume 1, part 8 : Polychaetous annelids collected by the 

 United States Fisheries steamer Albatross in the waters adjacent to the 

 Philippine Islands in 1907-1910. By A. L. Treadwell. 



