Fishery Industries of the United States, Sect. IY. 



PLATE 17. 



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f. 



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/•OT/1 4-:/ 



, II 



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'ii ii 







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 'be 

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 C3 



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■3 S 



^3 p 



to S 



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5 



a 



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 -3 

 a 

 a 



bo 

 a 



En 



