Table 17. --Frequency of number of soft rays in the second dorsal fin of young striped 

 bass of the 1954 year class from tributaries of Chesapeake Bay 



River 



No of specimens 9 



Second dorsal soft rays 

 10 11 12 13 14 



Mean 



S(x-x) 



Choptank* 



Patuxent 



Fishing Bay* 



Nanticoke* 



Wicomico* 



Potomac 



Pocomoke* 



Rappahannock 



York 



James 



41 



34 



11 



176 



59 



92 



21 



63 



234 



216 



1 



1 



X" 



74.07, significant at the 1 percent level 



Table 18. --Frequency of number of soft rays in the anal fin of young striped bass of the 

 1954 year class taken in the Hudson River, New York 



Locality 



Anal soft rays 

 No. of specimens 7 8 9 10 11 12 



Mean 



S(x-x) 2 



Coxsackie 



Middleground Is . 



Alsen 



Staatsburg 



Newburgh 



Beacon 



Peek skill 



Grassy Pt . 



Haverstraw 



Harmon 



Croton Pt . 



Nyack 



Piermont 



Palisades 



X^ 



30.63, significant at the 1 percent level 



105 



