THE BIRD ROOKERIES OF THE TORTUGAS 



BY 



PAUL BARTSCH 



Curator, Marine Invertebrates, U. S. National Museum 





FROM THE SMITHSONIAN REPORT FOR 1917, PAGES 469-500 

 (WITH 38 PLATES) 



(PUBLICATION 2512) 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1919 



