Tatle 22. — The number of gill rakers on the upper arm of young striped bass of 

 the 1954 year class from the Hudson River, New York 



Table 23. — Total number of gill rakers of young striped bass of the 1954 year 

 class from the Hudson River, New York 



Locality 



Total No. Gill Rakers 

 23 24 25 26 27 28 29 



No. 



Mean S(X - "x)^ 



25.9^1 144.467 

 25.747 337.997 



A 1 7 38 72 22 12 - 152 



B 4 26 104 123 58 12 1 328 



t = 1.968 (tabulated value at .05 = I.965) 

 Locality A - Coxsackie 

 Locality B - Haverstraw, Harmon, Croton Pt., Nyack and Palisades State Park 



32 



