L d 
276 New Species of Fishes. 
his arrangement will probably stand. One of his 
Species, the E. calliura, is no other than the young 
of the Cichla Ohioensis of Le Sueur. 'That fish 
assumes a variety of appearances at different ages. . 
Erurostoma wacunATA. Black Darter, or speckled 
Hog-fish. 
Plate II. fig. 3. 
Head narrow, compressed ; nose acute ; operculum 
scaly, double spined posteriorly ; jaws equal; mouth 
small, longitudinal. 
Body flattish, tapering gradually from the ventral - 
fin to the caudal. 2 
Dorsal fins, anterior, spinous, 10 rayed ; posterior, 
soft, 13 rayed, connected with the anterior by an 
intervening, decurrent membrane. Caudal fin, 22 
rayed, circular, truncate posteriorly. Anal fin qua= 
drangular, 1 spinous, 7 soft rays. Ventral fin, 1 
spinous, 5 soft rays. Pectoral fins abbreviated, 14 
rayed. l 
Length, two and a half inches. 
Color. Back and head, olive and black; sides 
and abdomen, sea-green, with from twelve to twenty 
carmine dots near the medial line. 
Habitat. Mahoning river, in rapid water. Very 
rare. 
OssEeRvaTIONS. This species is readily distin- 
guished by its flat, compressed body, peculiar color, 
and especially its beautiful carmine maculations. It 
exceeds in beauty the speckled trout. 
