754 Marine Microbiology 



Provasoli, L.: Nutrition and ecology of protozoa and algae. Ann. Rev. 

 Microbiol, 12:279-308, 1958. 



Provasoli, L. and Howell, J. F.: Culture of a marine Gyrodinium in syn- 

 thetic medium. Proc. Soc. ProtozooL, 1:6, 1952. 



Provasoli, L. and McLaughlin, J. J. A.: Auxotrophy in some marine and 

 brackish dinoflagellates. /• ProtozooL, 2:suppl. p. 10, 1955. 



Provasoli, L. and McLaughlin, J. J. A.: Limited heterotroplu' of some 

 photosynthetic dinoflagellates (this symposium,) Chapter 10, 1963. 



Provasoli, L. and Pintner, L J.: Ecological implications of in viiro nutri- 

 tional requirements of algal flagellates. Ann. New York Acad. Sci., 56: 

 839-51, 1953. 



Provasoli, L., McLaughlin, J. J. A. and Droop, M. R.: The develop- 

 ment of artificial media for marine algae. Arch f. Mikrobiologie., 25:392- 

 428, 1957. 



Provasoli, L., McLaughlin, J. J. A. and Pintner, I. J.: Relative and 

 limiting concentrations of major mineral constituents for the growth of 

 algal flagellates. Trans. New York Acad. Sci. Ser. II, 16:412-417, 1954. 



Pshenin, L. N.: Nitrogen fixing bacteria in the sediments of coastal re- 

 gions of the Black Sea. Reports of the Acad, of Sci. of the USSR, 129: 

 930-933, 1959a. 



Pshenin, L. N.: Quantitative distribution of nitrogen fixing bacteria and 

 their ecology in the region of the Zernov Phyllophora field in the Black 

 Sea. Microbiology. 28:927-932, 1959b. 



Pshenin, L. N.: On the Accumulation of U-UXi by nitrogen fixing micro- 

 organisms of the Black Sea. Reports of the Acad, of Sci. of the USSR, 

 133:1448-1450, 1960. 



Puck, T. T., Garen, A. and Cline, J.: The mechanism of virus attachment 

 to host cells. 1. The role of ions in the primary reaction. /. Exptl. Med., 

 9:65-88, 1951. 



Rahno, p. H.: Effect of moisture and low temperature on number of bac- 

 teria in soil. Microbiology USSR (Trans.), 30:171-173, 1960. 



Ramakrishnan, T. and Camprell, J. J. R.: Gluconic deshydrogenase of 

 Psendomonas aeruginosa. Biochim. Biophys. Acta, 17:122, 1955. 



Ranzoni, F. W.: The aquatic Hyphomycetes of California. Farlowia 4: 

 353-398, 1953. 



Ray, D. L.: Marine fungi and wood borer attack. Proc. Amer. Wood Pres. 

 A., 55:147-153, 1959. 



Razumov, a. S.: Relations between saprophite bacteria and plankton in re- 

 servoir (Russian). Problems of Sanitary Bacteriology. Pub. by Acad, of 

 Sci., p. 30-43, 1948. 



Redfield, a. C: The biological control of chemical factors in the environ- 

 ment. Am. Scientist., 46:205-221, 1958. 



Reed, G. B., Rice, C. E. and Sinclair, R. J.: A comparative study of auto- 



