180 



Material studied 



Paralectotypes: ANSP 4552. 14 alch.; Mountain streams forming the head of the Roanoke 

 River. Montgomery Count}". Virginia. USA: E.D. Cope: August 1867. 

 Other materials: AXSP 46543. 18 alch.: tributary of James River Midway Mills. Virgi- 

 nia. USA: E.R. Dunn: 15 November 1915. - KU 3254. 23 alch.: Pine Creek on Route 

 221. 2.8 mi. X.E. Floyd. Floyd County. Virginia. USA: R. Huffman. M.H. Ross & R.D. 

 Ross; 4 May 1952. - KU 3259. 39 alch. and 8 C&S: Elliot Creek, tributary S. Rogers. 

 Montgomery County. Virginia. USA: W. Davis. M.H. Ross & R.D. Ross: 13 April 1952. 



- KU 3265. 38 alch.: X. Fork Roanoke River at Route 11 bridge, Montgomery County - 

 Roanoke Count) line. Virginia. USA: B. Stouth. T. Riggin & W.S. Davis: 17 May 1952. 



- KU 3275. 14 alch.: Catawa Creek. 6.6 mi. X. W. Salem on Route 311 (James River sy- 

 stem). Roanoke county. Virginia. USA: E.C. Raney & R.D. Ross: 14 July 1954. - KU 

 22257. 22 alch.: Craig Creek at Va. Rout 621. Montgomery County. Virginia. USA: B.K. 

 Wagner et al: 9 September 1987. - KU 22295. 35 alch.: Blackwater River at Rt. 641 

 bridge. Franklin County, Virginia. USA: B.K. Wagner et al.: 13 September 1987. - UT 

 44.239, 5 alch.: Elliot Creek at Rogers. Montgomery County. Virginia. USA: Ross: 20 

 May 1953. - UT 44.3524. 13 alch.: Crab Creek at 18. Allegany County. North Carolina. 

 USA: 21 May 1986: collector unknown: 1986. - UT 44.526. 45 alch.: Roanoke drainage. 

 Falling River below bridge on Motrosa Farm. Campbell County. Virginia. USA: J. Strie- 

 gel & S. Robertson: 1970. 



Diagnosis (amended from Cope 1868) 



A Phoxinus with side bearing one longitudinal stripe and 10 to 15 transverse bars. The 

 lateral stripe interrupted or faded at middle of body, the transverse bars present dorsal to 

 the lateral stripe. Ventral side of body from base of pectoral fin to anterior end of isth- 

 mus dark: lower jaw shorter than upper one. the former enclosed by the latter; very long 

 intestine with about 10 loops, its length 278% of standard length: epibranchial 3 bearing 

 a large notch and a long posterior process at its dorsoposterior margin; epibranchial 4 bea- 

 ring a large notch at its posterior margin. 



Description (Tab. 8) 



A North American species of Phoxinus with average standard length (adults) about 50 

 mm. maximum standard length 61 mm. Head moderately large, its length 25% and its 

 width 58% of standard length. Snout length 34% of head length, and 100% of orbit length. 

 Eye large: orbit length 28% of head length. Mouth subterminal, small and almost hori- 

 zontal: its gape extending below anterior margin of eye. Lower jaw- shorter than upper 

 one. 



Bony interorbital space w ide, its width 119% of orbit length and 32% of head length. An- 

 terior nasal opening elliptical and smaller than the semi-round posterior one. 

 Young individual (18.1 mm standard length) with axis of olfactory organ short and wide, 

 not extending to middle portion of the organ, seven primary lamellae present: in adult 

 (53.4 mm standard length), axis slender, elongate and extending posteriorly, 13 primary 

 lamellae present. Gill rakers 8. short. 



