284 Bulletin 47, United States National Museum. 



in tho lower stretches and in tlie river channels, never in the mountain 

 springs with N. ceranin us. Probably the representative form in the streams 

 of the i)ine woods. The typical cornutus is not found coastwise south of 

 the James, (alheohts, whitish.) 



^olroph megalopn nlbenliis, Jordan, Bull. V. S. Fish Conim., viii, 1888, (1891), 123, Roanoke River, 

 near Roanoke, Virginia. (Coll. Jordan, Everinann, & Jenkins.) 



459. NOTROPIS LACERTOSIS (Cope). 



Head 41; depth 4^; eye 3^. D.8; A. 8; scales 5-38-3, 17 before dorsal. 

 Teeth 2,4-4,2. Very close to ^. cornutus, and resembling the young of 

 the latter, but the mouth larger" and the lower jaw projecting; maxillary 

 3 in head, reaching just past front of eye. Body stout, head broad and 

 deep. Eye large, equal to muzzle and to width of interorbital space. 

 Fins all low, dorsal inserted slightly behind ventrals. Green above, 

 sides silvery ; a dark speck on front of opercle ; no red. Length 4 inches. 

 Head waters of Tennessee River; rare, (lacertosus, lizard-like.) 



Hyhopais lacertosus, Cope, Journ. Ac. Nat. Sci. Phila., 1868, 232, Bear Creek, tributary Middle 



Fork Holston River. (Coll. Cope.) 

 Minnilus lacerlostis, Jordan & Gilbert, Synopsis, 192, 1883. 

 Nolropis lacertosus, Jordan, Bull. U. S. Fish Comm., viii, 1888, (1891), 144. 



Subgenus HYDROPHLOX, .Jordan. 



460. NOTROPIS MACDONALDI, Jordan & Jenkins. 



Head 3f ; depth 4f ; eye 4i. D. 8 ; A. 9 or 10 ; scales 7-39-2 ; teeth 

 2, 4-4, 2, with narrow grinding surface. Allied to Xotropis zonatus. Body 

 elongate, compressed, the snout little convex; eye moderate, a little 

 shorter than snout; mouth large, terminal, oblique, the lower jaw pro- 

 jecting, the maxillary to opposite front of eye, 2| in head. Scales less 

 crowded than in N. cornutus, 17 to 20 before dorsal ; dorsal inserted behind 

 ventrals; fins moderate. Greenish, with a diffuse band of plumbeous 

 silvery ; a dark streak along back ; no caudal spot ; fins plain ; males with 

 the snout, chin, and axils red. Length 5 inches. Mountain streams of 

 Virginia, tributary to the James and Shenandoah ; common. (Named for 

 Marshall McDonald, U. S. Commissioner of Fish and Fisheries.) 



Notropis macdonaldi, Jordan & Jenkins, Proc. U. S. Nat. Mus., 1888, 354, pi. 44, fig. 4, Shenan- 

 doah River, Luray, Virginia. (Type, No. 39859. Coll. Jordan & Jenkins.) 



461. NOTROPIS COCCOGENIS (Cope). 



Head 4; depth 4i; eye large, 3^. Scales 7-42-3 ; teeth 2,4-4,2. Body 

 elongate, compressed, not at all elevated. Head rather pointed. Mouth 

 large, very oblique, the premaxillary nearly on a level with pupil; lower 

 jaw projecting beyond upper ; maxillary reaching past front of eye. 

 About 20 scales in front of dorsal. Back olivaceous; the scales dark- 

 edged; belly and sides silvery, rosy in spring males; a dusky scapular 

 baud; a scarlet bar down the line of the preopercle ; muzzle and ujiper 

 lip red; a red axillary spot; outer half of dorsal black, lower half yel- 

 lowish ; outer part of caudal dusky, base paler ; a faint lateral streak and 

 a dark vertebral line; lower fins white; snout swollen and tu-berculate 



