Table 6. — Analyses of variance of the number of gill rakers on the upper arm of 

 young striped bass of the I955 year class from the tributaries of the 

 Chesapeake Bay (Table k) 



A Excluding the Rappahannock, York, and James River Systems 

 Source d.f. S.S. M.S. P 



Among Rivers 13 14.073 I.O825 3.10** 



Error 802 279.43? 0.3484 



B Excluding the Patuxent, Rappahannocky York and James River Systems 

 Source d.f. S.S. M.S. F 



Among Rivers 12 6.162 0.5153 .1.43 U.S. 



Error 750 268.645 O.3582 



21 



