178 
MALACOPTERYGIOUS FISHES. 
ec. Breast destitute of a sucker; and the head covered with a 
naked skin or minute scales. Gadusid.^. 
d. Bearded. 
e. Three dorsal, and two anal fins. 
Morhua. 
ee. Two dorsal, and one anal fins. 
/. The first dorsal fin developed and entirci 
Molva. 
Phjscis. 
ff. The first dorsal fin imperfect, the rays short- 
Gadus. 
Raniceps. 
cWl Beardless. 
e. Two dorsal fins. 
Merlangus. 
Merluccius. 
ee. One dorsal fin. 
Brosmus. 
hb. Sides of the body dissimilar. Eyes on one side. Pleuronec- 
TID.®. 
c. Dorsal fin reaching to the mouth, and, with the anal, nearly 
continuous with the tail. 
Pleuronectes. 
Solea. 
cc. Dorsal fin reaching only to the eye, and, with the anal, dis- 
joined from the caudal. 
Platessa. 
Hippoglossus. 
II. Destitute of ventral Jins. 
a. Gill-opening small, and the gUl-cover concealed by the skim 
Anguilla. 
Leptocephalus. 
aa. Gill-opening and giU-lid apparent. 
Ophidium. 
4mmodytes. 
