DEPARTMENT OF MARINE BIOLOGY 



OF 



CARNEGIE INSTITUTION OF WASHINGTON 



ALFRED G. MAYER, Director 



FAFKKS I'ROM THE TORTUGAS LABORATORY 



OF THE 



CAKNHGIH INSTITUTION OF WASHINGTON 



VOLUME iV 



J /-\ 'J 



^,,;tui^,:,^ 



WASHINGTON, U. C. 

 Published by the*Carnegie institution of Washington 



1910 



