102 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



l.ase (if caudal ; top of head and vertebral lino golden. Snout tubercti- 

 late in males. Head 4J ; depth 5. D. 8; A. 8; scales 5-37-3; teeth 

 i'. 1-4,2. L. 2.1 inches. Alabama Basin; very abundant in clear streams. 



A graceful little lish. 



( Hj/6opnoftro800MW Jordan, Ann. L\<-. N:it. Hi-t. X. Y. 1376, 333: Hydrophlox chrosomus 

 .Ionian A: Itrayton, 1. c. 49.) 



271. II. xaCHOCOpllJllus Jordan. 



Body rather short and deep, with thick caudal peduncle; back wide, 

 not elevated, llead large, flattish and broad above, the snout rounded. 

 .Mouth large, oblique, the jaws nearly equal. Eye very large, 2 in 

 head. Lateral line somewhat decurved. Thirteen scales in front of the 

 dorsal. Dorsal Jin slightly behind ventrals. Dark olivaceous above, the 

 scales being extensively dark edged ; a dark band along the sides of the 

 caudal peduncle, which vanishes in black points along the sides of the 

 body, reappearing on the head and passing around the snout ; a dusky 

 blotch at base of caudal. Males without red markings, the snout swollen 

 and tuberciilate in the spring. Head 4\ -; depth 5. D. 8; A. 7; scales 

 5-38-3; teeth 2, 4-4, 2. L. 2- inches. Georgia to .Mississippi. 



(Ifybopxis xasnoccphalua Jordan, Ann. Lye. Nat. Hist. X. Y. l>7t'>, 334.) 



272. JH. plumlM-olus (Cope) J. & G. 



Body oblong, compressed, the back somewhat arched. Mouth oblique, 

 the lower jaw slightly longer than the upper. Fins short. Eye large, 

 22. in head. Silvery, with bluish reflection ; top of head dusky ; a dark 

 spot at base of caudal. Head 4^ ; depth Ij-J. D. 8; A. 9; scales (5-39-3; 

 teeth 2, 4-4, 2. L. 3 inches. Saginaw lliver. (Cope.} 



(.tlh nr in i/i.t /'//nnbcoliis Cope, Proe. Acad. Nat. Sci. Phila. 1804, 



273. ,11. larcrtosiis (Cope) J. & G. 



P.ody stout. Head broad and deep. Month wide, the lower jaw pro- 

 jecting. Eye large, .")', in head, equal to miix/Je and to width of inter- 

 orbital space. Maxillary not reaching the line of the orbit. Scales 

 lar-e, only ." above the lateral line. Silvery: dorsal region dusky: no 

 red. Head J. Teeth 2, 4-4, 2. L. 4.1 inches. Headwaters of Tennes- 

 see K'iver. i< 'i><'.) 

 (IIi/li,,],..,. l,i,;,-i<t*ii* ('..]. ... Jon ni. Acail. Xat. Sci. Phila. 1868,232.) 



I.ody moilerately clou-air. Snout subconical, not strongly decurved. 

 Mouth rather large, oblique, the lower jaw included, maxillary reach- 

 ing trout ot eye, upper lip above the level of the lower border of eye. 

 Dorsal over ventrals. Kye large, 3^ in head. Olivaceous; sides sihcryj 



