26 
Charles K. Biernbaum 
Harrison, III, for suggesting the study and for assistance in sampling; 
H. H. Hobbs, Jr., for assisting with crayfish identifications and providing 
information on the occurrence of crayfish species in the area; N. E. 
Strenth for examining specimens of Palaemonetes paludosus\ J. 
Pinckney for amphipod specimens removed from a duck; and W. D. 
Anderson, Jr., N. A. Chamberlain, and J. R. Harrison, III, for reviewing 
the manuscript. Figure 1 was prepared by K. Swanson, and the 
manuscript typed by C. Baldwin. 
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