134 Michael E. Seidel and William M. Palmer 



of Natural History; and G. R. Zug of the National Museum of Natural 

 History (Smithsonian Institution). We acknowledge Marshall University 

 for providing computer time and sabbatical leave to M.E.S. We thank 

 Lu Ann South for typing the manuscript, Steve Gotte and Tom Jones 

 for assistance in measuring specimens, and R. Kuhler of the North 

 Carolina State Museum of Natural Sciences for the illustrations of 

 specimens. 



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