Contributors ix 



SisLERj F. D., General Scientific Corporation, Washington, D. C. 



Skerman^ T. M., New Zealand Occanographic Institute, Thorndon 

 Quay, Welliugtoyi, New Zealand 



Smayda, T. J., Narragansett Marine Laboratory, University of Rhode 

 Island, Kingston, Rhode Island 



SoLi^ GiORGiOj Earth and Planetary Sciences Division, U. S. Naval Ord- 

 nance Test Station, Pasadena, California 



Spencer, R., The Humber Laboratory, Hull, England 



SuCKOW, R., Laboratoriurn fiir Alikrobiologie des Wasscrs, Borssian, West 

 Germany 



Thijsse, G. J. E., Koninkli']ke/ Shell Laboratoriurn, Amsterdam, Holland 



Van Uden, N., Department of Microbiology, University of Lisbon, Lis- 

 bon, Portugal. 



Van der Linden, A. C, Koninklijkc/ Shell Laboratoriurn, Amsterdam, 

 Holland 



Vargues^ H., Medical School of Tours, Tours, France 



Wagner, M., Microbiology Institute, Ernst-Moritz-Arndt-University, 

 Greifswald, Germany 



Ward,R. a., Institute of Marine Science, University of Texas, Port Aran- 

 sas, Texas 



Watson, S. W., Woods Llole Occanographic Institute, Woods Hole, 

 Massachusetts 



Wawzonek, Department of Bacteriology and Chemistry, State University 

 of Iowa, Iowa City, Iowa 



Wood, E. J. Ferguson, C.S.I.R.O. Division of Fisheries, Cronulla, 

 N.S.W., Australia 



Yaphe, W. W., Atlantic Regional Laboratory, National Research Coun- 

 cil, Halifax, Nova Scotia 



Zhukova, a. I., Central Research Institute, Marine Fisheries and 

 Oceanography, VNIRO, Moscow, Russia 



ZoBell, C. E., Scripps Institution of Oceanography, University of Cali- 

 fornia, La Jolla, California 



