Table 27 ■ Mean free taurine:glycine molar ratios in adductor muscle 

 of oysters Crassostrea gigas from reference stations (Rade 

 de Brest or lie Tudy) and from oil-contaminated estuaries 

 (Aber Benoit and Aber Wrac'h). Seven replicate samples 

 from each station were analyzed. 



Sampling Date 

 Station Dec 1978(9) a April 1979(13) July 1979(16) 



Reference 0.93 2.05 1.51 



Aber Benoit 2.25* 2.51 NS 



Aber Wrac'h 2.41* 2.51* 2.42* 



*. 



significantly different from reference sample at a = 0.05. 



NS, no sample analyzed. 



a ' months after the Amoao Cadiz oil spill, 16 March 1978. 



315 



