predator on hard bottom areas (Sedberry and Van 

 Dolah 1984), do not serve as "keystone" predators 

 (Paine 1969) which influence community structure of 

 invertebrates on South Atlantic Bight hard bottom 

 reefs. 



Acknowledgments 



I thank the many individuals of the South Carolina 

 Marine Resources Center who were involved in all 

 phases of the 3-yr BLM (contracts AA551-CT9-27 

 and AA551-CT1-18) and MMS (contract 14-12-0001- 

 29185) funded study of hard bottom habitat in the 

 South Atlantic Bight. I especially thank D. M. Knott, 

 R. F. Van Dolah, and E. L. Wenner for providing the 

 data on macrobenthos that was used in the electivity 

 analysis; C. B. O'Rourke and E. C. Roland (poly- 

 chaetes), H. Porter (bivalves), and E. L. Wenner 

 (decapods) for help in prey identification; C. A. 

 Barans, C. A. Wenner, and the anonymous re- 

 viewers for comments that improved the manu- 

 script; and N. M. Beaumont for processing the manu- 

 script. 



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George R. Sedberry 



South Carolina Marine Resources Research Institute 

 P.O. Box 12559 

 Charlestm, SC 29^12 



466 



