Tennessee River and Crawfish Distribution 145 



, and M. R. Campbell. 1894. Geomorphology of the southern 



Appalachians. Natl. Geogr. Mag. 6:63-126. 

 Hobbs, Horton H., Jr. 1958. The evolutionary history of the Pictus Group of 



the crayfish genus Procambarus (Decapoda, Astacidae). Q. J. Fla. Acad. 



Sci. 21:71-91. 

 . 1962a. Notes on the affinities of the members of the Blandingii 



Section of the crayfish genus Procambarus (Decapoda, Astacidae). Tulane 



Stud. Zool. 9:273-293. 

 . 1962b. La presencia de Procambarus clarkii (Girard) en los estados 



de Chihuahua y Sonora, Mexico (Decapoda, Astacidae). An. Inst. Biol. 



Univ. Nac. Auton. Mex. 33:273-276. 



. 1967. A new crayfish from Alabama caves with notes on the origin 



of the genera Orconectes and Cambarus (Decapoda: Astacidae). Proc. 

 U. S. Natl. Mus. 123(3621): 1-17. 

 . 1969. On the distribution and phylogeny of the crayfish genus 



Cambarus. Pages 93-178 in P. C Holt, R. L. Hoffman, and C. W. Hart, 

 Jr., editors. The Distributional History of the Biota of the Southern 

 Appalachians. Part I: Invertebrates. Res. Div. Monogr. 1, Va. Polytech. 

 Inst., Blacksburg. 

 . 1972. The Subgenera of the Crayfish Genus Procambarus (Deca- 



poda, Astacidae). Smithson. Contrib. Zool. 117. 



. 1977. A new crayfish (Decapoda: Cambaridae) from San Luis 



Potosi, Mexico. Proc. Biol. Soc. Wash. 90:412-419. 



. 1981. The Crayfishes of Georgia. Smithson. Contrib. Zool. 318. 



. 1984. On the distribution of the crayfish genus Procambarus 



(Decapoda: Cambaridae). J. Crustacean Biol. 4(1): 12-24. 

 , and T. C. Barr, Jr. 1972. Origins and Affinities of the Troglobitic 



Crayfishes of North America (Decapoda: Astacidae). II. Genus Orconectes. 



Smithson. Contrib. Zool. 105. 

 Isphording, Wayne C 1970. Late Tertiary paleoclimate of eastern United States. 



Am. Assoc. Pet. Geol. Bull. 54:334-343. 

 . 1981. Mineralogical evidence for a Miocene Gulf of Mexico outlet 



for the ancestral Tennessee River. Abstracts with Program, Southeast. 



Sect. Geol. Soc. Am. 13(1): 10. 

 . 1983. Interpretive mineralogy: Examples from Miocene Coastal 



Plain sediments. Trans. Gulf Coast Assoc. Geol. Soc. 33:295-305. 



, and G. C. Flowers. 1983. Differentiation of unfossiliferous clastic 



sediments: Solutions from the southern portion of the Alabama-Mississippi 



Coastal Plain. Tulane Stud. Geol. Paleontol. 17(3):59-83. 

 Johnson, Douglas W. 1905. Tertiary history of the Tennessee River. J. Geol. 



13:194-231. 

 MacNeil, F. Stearns. 1966. Middle Tertiary sedimentary regimen of Gulf Coast 



region. Bull. Am. Assoc. Pet. Geol. 50:2344-2365. 

 May, James E. 1981. The updip limit of Miocene sediments in Mississippi. 



Abstracts with Program, Southeast. Sec. Geol. Soc. Am. 13(1):29. 

 Murphey, Joseph B., and E. M. Grissinger. 1981. Post-Eocene alluvial materials 



in north-central Mississippi. Abstracts with Program, Southeast. Sec. Geol. 



Soc. Am. 13(1):31. 



