N=854 







APRIL 



1974 





nJ 



Ltl 





H "«ie 



- 







| FEMALE 



■ 







^] NON-SPAWNER 



'J. 



r* _ R-|W^ 



"IT^^M^Wn n . m , 



10 15 20 25 30 35 40 45 



LENGTH, CM 



u 

 o 



o 



12 



N = 29 









MAY 



1974 



1 1 







10 

 9 



" 



Lr 



|] MALE 



8 







in 



| FEMALE 



7 



■ 





_J NON-SPAWNER 



6 



J 







5 









L| 



4 

 3 





r 



1 





2 







La 





1 







Ifl.n.m.. 



10 15 20 25 30 35 40 

 LENGTH, CM 



n 



= 891 L, JUNE 1974 



Hi Ln 



; 



12 



■ 













1 1 



N=402 



JULY 1974 





10 



- 







9 



. 







UJ 









z 8 



J L 





LU 





L 





k 7 



. 









<r 











3 „ 











o 6 



■ 



- 







u 











° 5 



- 



T 





4 



J -1 









3 





1 





2 



' 





n 





1 



■ J 



hn, 







5 10 15 20 25 30 35 



40 





LENGTH, CM 





1 lr 







10- 



N = 430 n 



AUGUST 1974 





9- 









8- 









UJ 









o _, 









2 7- 









UJ 



S 



_n 





3 









o 5 - 

 o 





f 







V? 4- 



J 









3- 











2- 



1 





/ 







1 - 



I \\\n 



n , , 



I0r 



9 

 8 

 7 

 6 

 5 ■ 

 4 ■ 

 3 

 2- 



10 15 20 25 30 35 40 45 

 LENGTH, CM 



I I 1 Q_ 



N = 683 









c 



EPT. 1974 



\ I 





\ 



\ 



kr 





- 





_r 



1 i P 1 n 



10 15 20 25 30 35 40 45 

 LENGTH , CM 



10 15 20 25 30 35 40 45 



LENGTH , CM 



Figure 7. — Continued. 



24 



