134 ORDER ACANTHOPTERYGII. 



proaching to a cube or parallelopiped, and its bones are 

 all hard and granulated, The back has two distinct 

 fins, and there are under the pectoral fin three free 

 rays. They have about a dozen cceca, and a large 

 and bilobate air-vessel. Many species utter, when 

 taken, sounds, which have caused them to be named 

 grumblers. 



Trigla, properly so called, Cuv. 



Have teeth in the jaws, and on the front of the vomer, 

 which are even. Their pectoral fins, though large, 

 are not sufficiently so to carry them out of the water. 

 We have many species in our seas. 



Trigla pini, Bl. 355., Trig, cucukis, L. ? 



Have along each side of the body numerous vertical 

 and parallel lines, which cross the lateral line, and 

 are formed by folds of the skin, in each of which is a 

 cartilaginous plate. The muzzle is oblique. It is a 

 fish of good flavour, and of a fine red colour. 



Tr. lineata, Lin., Tr. Adriatica, Gm., Bl. 35. Rond. 295. 

 Marten's Voy. to Venice, ii. pi. ii. 



Has the muzzle much more vertical, and the pectoral 

 fins longer; the lines of the flanks entirely surround 

 the body, like rings. It is found in our markets, like 

 the last, and the people erroneously take it for the 

 female of the preceding species. 



Tr. hirundo, L., Bl. 60. The Tr. cuculus of Brunnich. 

 Without furrows or spines on the sides ; the back is 



