CRAYFISHES — HOBBS, HOLT, AND WALTON 



43 



Range. — The Hiwassee drainage system in North Carolina, 

 Georgia, and Tennessee (Hobbs and Walton, 1961, p. 381) and from 

 the Roanoke River and its tributaries in Montgomery County, Va. 



Specimens examined. — Approximately 90 specimens in 14 col- 

 lections from the following stations: 85, 87-93, 111, and 112, at 

 elevations of 439 to 597 m. 



Hosts and associates. — Dactylocythere falcata was associated 

 with Cambarus I. longulus and C. acuminatus at stations 88, 112; 

 with C. b. bartonii at 85, 111; with C. acuminatus and C. b. bartonii 

 at 87; and with the three at 89-93. 



Entocytherid associates include Dn. truncata at stations 87, 88, 90, 

 91, 93, 111; An. ancyla at 88, 89, 92, 93; and E. internotalus at 88 

 and 90. 



Branchiobdellid associates include A. koronaeus, which was present 

 at all stations except 85, where no branchiobdellids were found; 

 C. branchiophila at all except 85 and 111; C. philadetyhica at all 

 except 85; C. fallax at 87-89, 91, 92; Xd. jormosus at 88-92, 112; 

 and B. illuminatus at 87. 



Dactylocythere suteri (Crawford) 



Figures 7h, 10c 



Entocythere suteri Crawford, 1959, p. 162, pi. 3. 

 Dactylocythere suteri Hart, 1962, p. 131. 



Diagnosis. — Posteroventral margin of shell without conspicuous 

 prominence. Accessory groove extending dorsally to level of sper- 



Figure 10. — Penifera of entocytherids: a, Dactylocythere daphnioides; b, Dt. falcata; c, Dt. 



suteri. 



