28 REPORT OF NATIONAL MUSEUM, 1922. 



Number of visitors to the Museum and Smithsonian Buildings since 1881. 



1 Building open only three months of the year. 



PUBLICATIONS. 



The publications of the year comprised 9 volumes and 78 separate 

 papers. The former consisted of the Annual Report of the Museum 

 for 1921 ; volumes 57, 58, and 59 of the Proceedings ; and the follow- 

 ing bulletins, namely : No. 100, volume 4, " Contributions to the 

 biology of the Philippine Archipelago and adjacent regions — Fora- 

 minifera of the Philippine and adjacent seas," by Joseph A. Cush- 

 man; No. 113, " Life histories of North American gulls and terns — 

 Order Longipennes," by Arthur Cleveland Bent; No. 114, "A re- 

 vision of the king snakes : Genus Lampropeltis," by Frank N. 

 Blanchard; No. 118, "Handbook and descriptive catalogue of the 

 collections of gems and precious stones in the United States National 

 Museum," by George P. Merrill, assisted by Margaret W. Moodey 

 and Edgar T. Wherry; and No. 119, " Catalogue of the mechanical 

 engineering collection in the United States National Museum — Mo- 

 tors, locomotives, and self-propelled vehicles," by Carl W. Mitman. 



The 78 papers issued separately for prompt distribution to special- 

 ists were : Part 2 of volume 1 of Bulletin 82 ; part 3 of Bulletin 104 ; 

 two parts of volume 20, one part of volume 22, and one part of vol- 

 ume 24, Contributions from the United States National Herbarium ; 

 25 papers from volume 59, 26 papers from volume 60, and 21 papers 

 from volume 61, Proceedings of the United States National Museum. 



The editorial office, in addition to supervising the printing of the 

 Museum publications, has charge of the printing of the many labels 



