;:iX^cpav-f incut of flic ^nfcrior 



U. S. NATIONAL MUSEUM. 



12 



BULLETIN 



OF THE 



UNITED STATES NATIONAIv MUSEUM. 



.TSTo. 13. 



PUBLISHED UNDER THE DIRECTION OF THE SMITHSONIAN INSTITUTION. 



WASHI]SGTON: 



GOVERNMENT PRINTING OFFICE, 



1878. 



1 



