Table 22. --Frequency distributions of the character index (first dorsrl spines subtracted 

 from the sum of dorsal and anal soft rays) for samples of young striped bass 

 of the 1954 year class from tributaries of Chesapeake Bay 



Character index 



River No. of specimens 9 10 11 12 13 14 15 16 Mean 



Choptank* A 87 -- -- -- 1 9 76 1 --13.88 



Patuxent B 35 2 8 23 2 --13.71 



Fishing Bay* C 19 -- -- -- 2 6 11 -- -13.47 



Nanticoke* D 213 1 6 16 44 139 7 --13.57 



Wicomico* E 59 — -- 1 9 11 37 1 --13.47 



Potomac F 37 -- -- 2 3 9 22 1 --13.46 



Pocomoke* G 21 -- -- -- 14 16 -- --13.71 



Rappahannock H 91 ----13 18 65 4 --13.75 



York I 129 1 -- 2 1 19 97 9 --13.82 



James J 218 1 10 13 45 74 74 1 --12.87 

 X = 134.72, significant at the 1 percent level 



- 2 

 S(x-x) 



12.851 



15.143 



8.737 



146.122 

 40.712 

 29.189 

 6.286 

 37.187 

 70.899 



277.142 



107 



