^cparfwcnf of flic SSTTfcvior: 



U. S. NATIONAL MUSEUM. 



15 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM. 



TSTo. 15. 



PUBLISHED UNDER THE DIRECTION OF THE SMITHSONIAN INSTITUTION 



WASnil>rGTOK: 



GOYERNMENT PRINTING OFFICE. 



187 0. 



