CONTENTS 



Page 



Introduction 1 



Materials and methods 1 



Analyses of meristic counts 2 



North Atlantic area 2 



Connecticut River 2 



Hudson River 2 



Comparison between Connecticut and Hudson Rivers 3 



Chesapeake Bay area 4 



Susquehanna River 4 



Rappahannock River 



York River 4 



James River 5 



Comparison between Chesapeake Bay tributaries 5 



South Atlantic area 6 



Neuse River 6 



Edisto River 7 



Ogeechee River 7 



St. Johns River 7 



Comparison between South Atlantic coast rivers 7 



Relation between meristic counts and other factors 9 



Summary 9 



Acknowledgments 10 



Literature cited 10 



TABLES 



1. Juvenile American shad collections, from 10 Atlantic coast rivers, examined in meristic 



studies 2 



2. Frequencies of meristic counts from juvenile American shad in samples from the Con- 



necticut River, Conn., and Mass 3 



3. Frequencies of meristic counts from juvenile American shad in samples from the 



Hudson River, N.Y , 3 



4. Analysis of variance on meristic counts for differences between locations and between 



years within rivers, and differences between rivers, for samples of juvenile American 

 shad from the Connecticut and Hudson Rivers 4 



5. Frequencies of meristic counts from juvenile American shad in samples from the 



Susquehanna River, Md 4 



6. Frequencies of meristic counts from juvenile American shad in samples from the 



Rappahannock River, Va 4 



7. Frequencies of meristic counts from juvenile American shad in samples from the 



York River tributaries, Va 5 



8. Frequencies of meristic counts from juvenile American shad in samples from the 



James River, Va 5 



9. Analysis of variance on meristic counts for differences between locations and between 



years within rivers, and differences between rivers, for samples of juvenile American 

 shad from Chesapeake Bay tributaries 6 



10. Frequencies of meristic counts from juvenile American shad in samples from the 



Neuse River, N.C 6 



11. Frequencies of meristic counts from juvenile American shad in samples from the 



Edisto River, S.C 7 



12. Frequencies of meristic counts from juvenile American shad in samples from the 



Ogeechee River, Ga 7 



13. Frequencies of meristic counts from juvenile American shad in samples from the 



St. Johns River, Fla 8 



14. Analysis of variance on meristic counts for differences between locations and between 



years within rivers, and differences between rivers, for samples of juvenile American 



shad from South Atlantic coast rivers 8 



