U/^i 



STSI \'V\ IS( )IVIAN INSTITI Tl( )isr. 

 UNITED STATKS NATK >.\A I, MISKr.M. 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM. 



I^^o. 5 0. 



Vawv 111 



mmm 





WASlllNd'I'ON: 



(i ( ) N I ; li N M i: NT r K I N r I N ( ; ( > v v i c e 



11M»4. 



