Table 11. --Species composition in percent by weight, by month, of Gloucester trawl fish landings from 



the Ipswich area, 1957. 



Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. 



Number of samples ----2212142 



Red hake - - 



Silver hake - - - - 



White hake .... 



Haddock - - - - 



Cod . - - _ 



Ocean perch - - - - 



Little skate - - 



Big skate - - 



Barndoor skate - - 



Spiny dogfish - - 



Yellow tail flounder - - - - 



Winter flounder - - - - 



Greysole ... 



4-spot flounder - - - - 



Sea herring - - - - 



Alewife .... 



Blueback - - - - 



Shad .... 



Butterfish - - - - 



Long-horned sculpin .... 



Angler - _ . . 



4-bearded rockling - - - - 



Eel pout . _ _ . 



Dab .... 



Totals - - - - 100 100 100 100 100 100 100 



16 



