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72 



PELECYPODA 



915 



PISCES 







CUMACEA 







ISOPODA 



Figure 3. — Percent frequency 

 occurrence, percent number, per- 

 cent volume displacement, and 

 index of relative importance 1IKI1 

 of higher taxonomic groups of loud 

 for size intervals (mm) of Raja 

 erinacea. 



Figure 4. — Relationship between 

 size of Raja erinacea and volume of 

 food consumed (broken line), 

 mean pro volume i solid line), and 

 prej number per stomach (dashed 

 line). 





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