2.5- 



D 1.5- 



0.5- 



2.5- 

 N 1.5- 

 0.5 



2.5 



1.5- 

 0.5 

 2.5 



S 1.5 

 0.5- 

 2.5- 



A 1.5- 

 0.5- 

 2.5- 



J 1.5 

 0.5 

 2.5- 



J 1.5- 

 0.5- 

 2.5- 



M I -5 

 0.5 

 2.5 



A 1.5 



0.5 



1972 



FISHERY BULLETIN: VOL. 75. NO. 4 



N = 2 



r~i 



r-i 



n 



n 



i~i 



~\ i 



70 



N = 273 



N--370 



N = 368 



^bL. 



N=304 



N=5 



l~l 



N = 28 



m 



r-\ n 



N=0 



"i 1 1 r 



— i r 



190 



~i 1 r- 



10 



30 



50 



90 



110 



130 



150 



170 



TOTAL LENGTH (mm) 



210 



230 250 



FIGURE 13.— Monthly length- 

 frequency distributions of silver 

 perch, Bairdiella chrysoura, from 

 York River, 1972-73. Frequen- 

 cies expressed as log (x + 1) at 

 5-mm increments. 



674 



2.5- 

 1.5- 



0.5- 

 2.5- 

 I .5- 

 0.5- 

 2.5- 

 1.5- 

 0.5- 

 2.5- 

 1.5 

 0.5 

 2.5 



1.5 

 0.5 

 2.5 

 1.5 

 0.5 

 2.5 



1.5 

 0.5 



1973 



r^l 



ii ii 



ni 



EL 



10 30 50 



N = 3 



N=3I 



r~i 



N=I5I 



N = 96 



N = 58 



N^9 



N=0 



1 ■-! 1 1 1 1 T 1 ' 1 1 1 1 ' 1 1 ' 1 ! 



70 90 110 130 150 170 190 210 230 250 



TOTAL LENGTH (mm) 



