Lankford et al.: Population structure in Mtcropogontas undulatus 



889 



Atlantic Bight (SAB) areas and clarify the extent to 

 which M. undulatus in these regions constitute self- 

 recruiting groups. 



Acknowledgments 



We thank Mark E. Chittenden Jr and Steve W. Ross 

 for valuable contributions to this project, and three 

 anonymous reviewers for constructive comments. We 

 are also grateful to Richard Paperno for logistical 

 support during collecting trips to Indian River La- 

 goon, Walt Pollard and Carolina Power and Light 

 Company, Brunswick Generating Plant, for assis- 

 tance during collecting trips to the Cape Fear River 

 estuary, Michael Burger for providing specimens from 

 the Gulf of Mexico, Joseph M. Quattro for donating 

 oligonucleotide primers used to amplify the ATPase 

 6 fragment, and Ami E. Wilbur for instruction in the 

 molecular laboratory. This research was supported 

 by funding from the Office of Sea Grant, National 

 Oceanic and Atmospheric Administration grant no. 

 NA16RG0162-0L project no. R/F-5 to T. E. Targett, 

 and by a University of Delaware, Marine Biology/Bio- 

 chemistry Program Fellowship to T. E. Lankford Jr 



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