538 
E 
346 Fishes of the Ohio * 
stances, the base of the caudal fin is marked like the 
“dorsal, with a round black or olive spot, as was the 
case with the specimen from which the drawing was 
made.. It is also difficult to say, whether the dorsal 
.. has 9 or 10 rays. 
A faint vermilion spit may sometimes be seen, 
-near the edge of the gill-covers, but much more poste- 
-riorly than on the biguttatus. The upper surface of - 
the head and superior jaw is often ornamented with 
prominent spines, varying in height and number in 
different individuals. 
Hab. Mahoning river. 
Observation. -It is one of the most abundant spe- 
cies in our waters, and bites readily at the hook. 
* 
. Erueostoma. Raf. _ 
E. caprodes. Raf. The common Hog-Fish. 
Etheostoma caprodes. Raf. Ichth, Ohiens. P. 38. 
Etheostoma digi Kirtl. Rep. on of Ohio. pp. 168, 
1 A 
elongate, obtuse ; upper e. lo rounded ; operele 
"acute; lateral line quite straight ; 
h of the length; tail forked, oli- 
the base, and with a black dot. 
'om ‘two to six inches. 
ciliate, Mouth be- 
P 
