Nutritional Characteristics of Some Chrysomonads 121 



4. Braarud, T.: A phytoplankton survey of the polluted waters of inner 



Oslo Fjord. Hvalradets Shifter No. 28, i: 1-142, 1945. 



5. Braarud, T. : The effect of pollution by sewage upon the waters of the 



Oslo Fjord. Proc. Int. Assoc. TJieor. and applied LimnoL, 12:811-13, 

 1955. 



6. HuTNER, S. H., Baker, H., Aaronson, S., Nathan, H. A., Rodriguez, 



E., LoCKWOOD, S., Sanders, M., and Petersen, R. A.: Growing 

 Ochromonas malhamensis above 35C. /. Protozoal., 4:259-269, 1957. 

 1957. 



7. IwASAKi, H.: The life-cycle of Porplujra tenera in vitro. Biol. Bull., 121: 



173-187, 1961. 



8. Knight- Jones, E. W.: Preliminary studies of nanoplankton and ultra- 



plankton systeniatics and abundance by a quantitative culture 

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9. McLaughlin, J. J. A.: Euryhaline chrysomonads: nutrition and toxi- 



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10. Provasoli, L. and McLaughlin, J. J. A.: Limited heterotrophy of some 



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