CLASS IV. ORDER III. 83 



U RANOSCOPUS, (star-gazer,) head large, depres- 

 sed, rough ; mouth furnished with an internal cir- 

 rus ; gill-covers edged by a ciliated border ; gill- 

 membrane 5-rayed. 



TuACHiNus,(weever, prickle-back,) head slight- 

 ly roughened, compressed ; gill-membrane 6-ray- 

 ed ; gill-covers serrated on the edge ; body com- 

 pressed ; vent situated near the breast. 



GADUS, ^cod-fish, haddock,) head smooth ; gill- 

 membrane 7-rayed ; body oblong, covered with 

 deciduous scales ; fins all covered by the common 

 skin ; dorsal arid anal generally more than one ; 

 the rays unarmed ; ventral fins slender, ending in 

 a point. 



BLENNIUS, (blenuy,) head sloping; body length- 

 ened ; sub-compressed, lubricous ; gill-membrane 

 6-rayed ; ventral fins 2, 3 or 4-rayed, unarmed. 



KURTUS, body broad, carinated both above and 

 below ; with greatly elevated back : gill-mem- 

 brane 2-rayed. 



ORDER 3. THORACIC!. 



Gill-membranes with bony rays ; ventral-fins 

 under the pectoral. 



CEPOLA, (band-fish,) head short ; teeth curved, 

 sharp ; l>ody very long and compressed ; abdo- 

 men extremely short ; gill-membrane six-rayed. 



GYMNETRUS, body extremely long, compressed; 

 teeth numerous, subulate ; gill-membrane four or 

 five-rayed ; anal-fin wanting, 



VANDELLIUS, (vandal,) body extremely long, 

 sword-form ; gill -membrane five or six-rayed ; 

 teeth subulate, those in front largest. 



ECHENEIS, (reinora, sucking-fish;) head fur- 



