

DEPARTMENT OF MARINE BIOLOGY 



OF 



CARNEGIE INSTITUTION OF WASHINGTON 



ALFRED G. MAYER, Director 



PAPERS FROM THE TORTUGAS LABORATORY 



OF THE 



CARNEGIE INSTITUTION OF WASHINGTON 



VOLUME 



«e: 





J'., 



''*/»«! ?!luse\i^^ 



. -^ 



^/SHINGTON, D. C. 

 Published by the Carnegie Institution of Washington 



1911 



