^cparfjncnt of ihc ^nicviov. 



U. S. NATIONAL MUSEUM. 



12 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM. 



.ISTo. 12. 



PUBLISHED UxNDEll THE DIRECTION OF THE SMITHSONIAN INSTITUTION. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 



1878. 



1 



