126 



Marine Microbiology 



4 5 6 7 g 

 Time (days) 



10 11 12 13 14 



¥ig. 1. Growth of Chaetoceros dydimus in Synthetic Medium. 



REFERENCES 



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

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

 428, 1957. 



