12 



Mean 



s(x-xr 



10.75 

 10.77 

 10.82 

 10.89 

 10.67 

 10.67 



15.250 

 17.710 

 4.941 

 2.667 

 12.667 

 12.667 



X^ 



7.54, N.S. 



1/ Distance in nautical miles from the mouth of the James River 



Table 3 . --Frequency of number of spines and soft rays in the dorsal and anal fins of 

 composite upstream and downstream samples of young striped bass in the 

 James River. Virginia. 



/Taken on July 21 and 22, 1955. The upstream sample 

 Includes Windmill Pt. (J55) and Bachelors Pt. 047. 5k the 

 downstream sample Sloop Pt. (J43), Chickahominy R. 

 mouth (C43), Swan Pt. (J35) and Hog Is. (J29) J 



98 



