Table 17.--Ungth froquoncloo of acup rrom random sanplea of the catch of the ulntor trawl fishery 

 landed at Virginia ports frooi 1931-35 



[Numbcti of flitO 



' Sanples rrom catches sorted at oea into size categories converted statletlcally to equivalent of random samples, base 100 

 riah, of unsorted catches. 

 ' To March 15. 



Summer data were not available for com- 

 paring the winter catch of 1934 with the 

 summer catch of 1933, but comparison of 

 size composition of the catches in the winter 

 of 1934 can be made with that of the preceding 

 winter. In 1934 the composition of the landed 

 catches again changed markedly, for com- 



pared with 1933 relatively more medium 

 and large fish were present. The medium 

 sizes were mostly of the 1931 brood that 

 had been prominent as small fish in the 

 preceding winter. This change could be ex- 

 pected because similar progression of broods 

 into the larger market categories with increase 



35 



