^cpartmcni of the ^nicirior 



U. S. NATIONAL MUSEUM. 



2 



BULLETIN 



UNITED STATES NATIONAL MUSEUM 



JSTo. 2. 



PUBLISHED UNDER THE DIRECTION OF THE SMITHSONIAN INSTITUTION. 



WASHIl^GTOJT: 



GOVERNMENT PRINTING OFFICE. 

 18 7 5. 



