CRAYFISHES — HOBBS, HOLT, AND WALTON 



79 



Table 3. — Numbers of species occurring in the major drainage systems of the 

 Mountain Lake Region, the Santee (Richland County, S.C.) and Hiwassee (Georgia, 

 North Carolina, and Tennessee) Rivers 



' Except for numbers of branchiobdellids (original data), from Crawford, 1959. 

 ' From Simonds (see ftn., p. 70). 



Table 4. — Numbers of species restricted to the drainage system or combinations of 



systems indicated 



Table 5. — Summary of similarities and differences in the crayfish, entocytherid, 

 branchiobdellid, and fish faunas in selected streams in the Mountain Lake Region 

 (S= number of species shared in common by the two streams; D = number of 

 species found in both streams that are not shared in common) 



1 Compiled from Burton and Odum, 194.5, table VI. 



2 Given as by Burton and Odum, p. 192, but according to table vi, 7 species are shared in common. 



