riSHES 



125 



H. evermanni Moenkhaus. Length 100 mm.; head 4; depth 5; 

 color olive, marbled; sides with 13 or 14 blotches; rays of dorsal fins 

 XIII- 14; anal II, 12; scales 8-69-8 to 12; cheeks and opercles scaly: 

 northern Indiana and lUinois; rare. 



//. phoxocephalus (Nelson). Length 150 mm.; head 4; depth 5.5 to 

 6; color yellowish brown, with the lateral blotches elongate; cheek and 

 opercle scaly; rays of dorsal fins XI or XII- 12 to 14; anal II, 8 or 

 9; scales 12-80 to 85-16; head very slender; a strong opercular spine; 

 pyloric caeca 2: Ohio to Iowa; southward to Tennessee and Oklahoma; 

 in sandy rivers; locally common. 



H. macrocephalus (Cope). Length 75 mm.; head 3.5 to 4; depth 6 

 or 7; color light brown, with 9 spots on the side; rays of dorsal fins XIII 



riW^/:^A 



Fig. 56. — Hadroplerus as pro {from Jordan iff Ever matin). 



to XIV- 1 2 to 14; anal II, 9 to 11; scales 11-88 to 90-16; cheek naked or 

 with rudimentary scales; opercle with small cycloid scales; a small 

 spot at the base of the tail fin: west slope of the Alleghenies, from 

 Pennsylvania southwards; in clear rivers; scarce; not in brooks. 



H. aspro (Cope & Jordan) (Fig. 56). Length 100 mm.; head 4; 

 depth 5 or 6; color yellowish or greenish, with about 10 elongate blotches 

 along the sides; rays of dorsal fins XIII to XV- 11 to 13; anal II, 8 to 10; 

 scales 9-65 to 70-11; cheek with small scales, opercle with larger ones; 

 pyloric caeca 3: Great Lakes to Manitoba; eastward and southward 

 to the James, the Ohio Valley and to Arkansas; common in clear streams; 

 not common in small brooks. 



H. peltatus (Cope). Length 100 mm.; head 4; depth 5.6; color 

 light yellow, with 6 large, squarish lateral blotches and faint bars 

 between; cheek naked; opercle scaled above; rays of dorsal fins XIII-12; 

 anal II, 10; scales 6-52 to 56-9: southeastern Pennsylvania to South 

 Carolina, in coastwise streams; locally common. 



H. Ouachita (Jordan & Gilbert). Length 60 mm.; head 4; depth 6.5; 

 color olivaceous, with about 5 rather black bars extending downward 



