4-47 



10.000 



1,000 



en 



E 



< 



100 



10 



Gastropoda veligers 



STN 3 



STN 8 



STN 20 



J L 



I 



J ASON DJF M AMJJASO N DJFMA M JJASON D 



jLl 



1973 



1974 



1975 



J F M A 



1976 



JUi 



M J J A S N 



II O 

 k 



DJFMA 



1977 



M J J A SO 



10,000 



CO 



E 





< 



Bivalvia larvae 



J A S 



1973 



NDJFMAMJJASONDJ FMAMJJASONDJFMAMJJASONOJFMAMJJASO 



1974 



1975 



1976 



1977 



Mgure 4-'<lI. Abundance (#/ni ) of Gastropoda veligers and Bivalve larvae at 

 Stations 3, 8 and 20; July 1973 through October 1977. New 

 Haven Harbor Ecological Studies Summary Report, 1979, 



