46 



PROCEEDINGS OF THE NATIONAL MUSEUM 



superficial extensions; penis complex consisting of separate dorsal spermatic and 

 ventral prostatic elements; spermatic element longer than clasping apparatus: 

 accessory groove lacking. Clasping apparatus reduced, not clearly divisible into 

 vertical and horizontal rami; external border of horizontal ramus entire, internal 

 border also entire except at apex, latter may be expanded and bear three to six 

 denticles. 



Phymocy there phyma (Hobbs and Walton) 



Figure 11c 



Entocythere phyma Hobbs and Walton, 1962, p. 44, figs. 10-13. 

 Cymocythere phyma Hart, 1962, p. 129. 

 Phymocythere phyma Hobbs and Hart, 1966, p. 48. 



Diagnosis. — Length of penis greater than longitudinal diameter of 

 bulbiform portion of peniferum; clasping apparatus small and with 

 distal margin not extending anterior to anterior margin of peniferum. 

 Female unknown. 



~^s 



Figure 11. — Penifera of entocytherids : a, Entocythere internotalus; b, E. kanawhaensis< 



c, Phymocythere phyma. 



Range. — Tributaries of the James, Potomac, New, and Tygart 

 Rivers in Virginia and West Virginia. (See Hobbs and Hart, 1966, 

 p. 48.) 



Specimens examined. — 85 specimens in 12 collections from the 

 following stations: 3, 5, 7, 24, 38, 44, 64, 82, 101, and 103. Repre- 

 sented are tributaries of Johns and Potts Creeks (James River drain- 

 age) and Big Stony and Little Stony Creeks (New River drainage), at 

 elevations of 610 to 1143 m. 



Hosts and associates. — Phymocythere phyma was associated with 

 Cambarus b. bartonii at all stations; with C. sciotensis at 3, 5, 44, 64; 

 and 0. juvenilis and C. I. longulus at 7. 



