136 ORDER ACANTHOPTERYGII. 



Tr. lucerna 1 , Brunn. Rond.287. 



Has the lateral line furnished with scales, which are 

 higher than they are wide, and the second dorsal 

 spine elongated into a thread. 



Tr. aspera, Viviani, Rondel 296. 



With the muzzle short, the scales sharp, the head 

 tufted ; sharp crests along the dorsal fins ; the tem- 

 poral bones emarginated. 



The two last species are small, and belong to the 

 Mediterranean 2 . 



M. de Lacepede has separated three genera from 

 Trigla. 



Prionotes. 



American fish, similar to the sapphirine gurnard (trigla 

 kirundo,) with the pectoral fins nevertheless larger, 

 and which can even sustain them in the air ; but 

 whose precise character consists in having a band of 

 even teeth on each palatine bone 3 . 



1 This is not T. lucerna of Lin., but is his Tr. obscura, described 

 Mus. Ad. Fred, part ii., and finally forgotten. Tr. lucerna, Lin. is 

 a fictitious species. 



Add Tr. papilio, Cuv. Tr. phalcena. Tr. sphinx, described 

 in our fourth volume. 



Tr. punctata, Bl. ,'552. and 354. Tr. strigata, Cuv., evolans, 

 Lin. Lineata, Mitchill, New York Trans, i. pi. iv. f. 4. Tr. Ca- 

 <</ina,L., or palmipes, Mitch, loc. cit. Tr. tribulus, Cuv. 



