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 II 





! H 



tJ^i 



WASHINGTON, U. C. 

 Published by the Carnegie Institution of Washington 



1908 



