New Crayfish Species 
87 
Ross, R. D. 1969. Drainage evolution and fish distribution problems in 
the southern Appalachians of Virginia. Pages 277-292 in The distri- 
butional history of the biota of the southern Appalachians, part III: 
vertebrates (P. C. Holt, editor). Research Division Monograph 4, Virginia 
Polytechnic Institute and State University, Blacksburg. 
Sessions, S. K., and J. E. Wiley. 1985. Chromosome evolution in sala- 
manders of the genus Necturus. Brimleyana 10:37-52. 
Taylor, W. R. 1969. A revision of the catfish genus Noturus Rafinesque 
with an analysis of higher groups in the Ictaluridae. United States National 
Museum Bulletin 282. 
Received 2 August 1995 
Accepted 24 August 1995 
