PERSPECTIVE 9 



ACKNOWLEDGMENTS 



The original work presented in this paper was carried out at Cornell Uni- 

 versity, Ithaca, N.Y.; the Mount Desert Island Biological Laboratory, 

 Salsbury Cove, Maine; the Marine Biological Laboratory, Woods Hole, 

 Mass.; the Lerner Marine Laboratory, Bimini, Bahamas; and the Mote 

 Marine Laboratory, Sarasota, Fla. The author is grateful for the use of 

 facilities at each of these institutions. Portions of this study were sup- 

 ported by contract no. N00014-69-C-0340 between the Office of Naval 

 Research and the Mote Marine Laboratory. Critical editorial assistance 

 of the author's wife, Claire K. Gilbert, is gratefully acknowledged. 



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