Von Damm, K. L . , J. M. Edmond, B. Grant, C. I. Measures, B. 

 Walden and R. F. Weiss. 1985. Chemistry of Submarine 

 Hydrothermal Solutions at 21°N, East Pacific Rise. 

 Geochim. Cosmochim. Acta. , Vol. 49, No. 11, pp. 2197-2220. 



Von Damm, K. L . , J. M. Edmond, C. I. Measures and B. Grant. 

 1985. Chemistry of Submarine Hydrothermal Solutions at 

 Guaymas Basin, Gulf of California. Geochim. Cosmochim. 

 Acta. , Vol. 49, No. 11, pp. 2221-2237. 



Watson, S. W. 1965. Characteristics of the Nitrifying 



Bacterium Nitrosocystis oceanus Sp. N. Limnol . Oceanogr . , 

 Vol. 10, p. R274. 



Watson, S. W. and J. B. Waterbury. 1971. Characteristics of 



Two Marine Nitrite Oxidizing Bacteria, Nitrospina gracilis 

 Nov. Gen. Sp. and Nitrococcus mobilis Nov. Gen. Sp. 

 Archiv. fur Mikrobiol . , Vol. 77, No. 3, Berlin, Springer- 

 Verlag, pp. 203-230. 



Weiss, R. F. and H. Craig. 1973. Precise Shipboard 



Determination of Dissolved Nitrogen, Oxygen, Argon, and 

 Total Inorganic Carbon by Gas Chromatography. Deep-Sea 

 Res. , Vol. 20, No. 4, pp. 291-303. 



Welhan, J. A. and H. Craig. 1979. Methane and Hydrogen in East 

 Pacific Rise Hydrothermal Fluids. Geophys . Res . Lett . , Vol. 

 6, No. 11, pp. 829-831. 



Welhan, J. A. and H. Craig. 1983. Methane, hydrogen and helium 

 in hydrothermal fluids at 21°N on the East Pacific Rise. 

 In: P. A. Rona, K. Bostrom, L. Laubier, and K. L. Smith, 

 Jr. (eds. ), Hydrothermal Processes at Seaf loor Spreading 

 Centers , NATO Conference Series IV, pp. 391-409. New York, 

 N.Y. , Plenum Press. 



Williams, P. M. , K. L. Smith, E. M. Druffel, and T. W. Linick. 



1981. Dietary Carbon Sources of Mussels and Tubeworms from 

 Galapagos Hydrothermal Vents Determined from Tissue 14C 

 Activity. Nature , Vol. 292, No. 5822, pp. 448-449. 



Winn, C. D. and D. M. Karl. 1984. Microbial Productivity and 

 Community Growth Rate Estimates in the Tropical North 

 Pacific Ocean. Biol . Oceanogr. , Vol. 3, No. 2, 

 pp. 123-145. 



Wong, C. S. 1970. Quantitative Analysis of Total Carbon 



Dioxide in Sea Water: A New Extraction Method. Deep-Sea 

 Res. , Vol. 17, pp. 9-17. 



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