- ^, (^ DEPARTMENT OF MARINE BIOLOGY 



^ (^^Z'iJ^, §^>^/^ OF 



^. CARNEGIE INSTITUTION OF WASHINGTON 



Jf ALFRED G. MAYER, DIRECTOR 



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PAPERS FROM THE TORTUGAS LABORATORY 



OF THE 



CARNEGIE INSTITUTION OF WASHINGTON 



VOLUME VI 



WASHINGTON, D. C. 

 Published by the 'carnegie Institution of Washington 



1914 



