74 



SMITHSONIAN INSTITUTION 



U 3 



WILD LIFE REFUGE 

 TRESPI5SING PROHIBITED 



£ "biolo&icalsi^C 





r> 



Tt^ -i* '- *■■ »B ■ : --., 



Fig. J2. — Bird Key with its tern colony at the end of the breeding season 

 »if 1931, showing the barren condition of the island and the crowding of 

 its birds. 



