SCORP^NIDiE.' 



TBACHININ^. 



269 



short and triangular, but the hinder very long and 

 high _; body ovate, naked ; head compressed, with 

 several fleshy processes ; small spines on the preoper- 

 culum, but none behind the eye or on the oper- 

 culum ; pectorals large ; the rays simple, those nearest 

 the throat rather cleft between ; palate furnished with 

 teeth ; ventral fin minute, nearly obsolete.* 

 B. trilobus. Cuv. iv. pi. 90. Griff, ed. pi. 22. f. 2. 



4. SuBFAM. TRACHININ^. 



Mouth and eyes vertical ; body with compact scales ; 

 ventral fin before the pectoral, 



Uranoscopus. General form of Synanchia ; body 

 covered with hard, compact, and often rough scales ; 

 head and body cylindrical ; head mailed with hard 

 plates, but without spines or processes ; pectorals 

 large, broad ; the rays undivided ; ventral fins small, 

 placed before the pectorals ; dorsal and anal fins long. 



Uranoscopus Linn. (Jig. 79-) Dorsal fins two, the first 

 triangular, and formed of three to five acute spines. 

 U. scaber Linn. Bloch, p. 163. 



IchthyscopusSw. Dor- 

 sal fin single, long, 

 generally composed 

 of soft and simple 

 rays ; mouth often 

 furnished with cirri; 

 scales minute, or 

 none. 



U. inermis. Cuv. iii. pi. 63 

 Forsteri. lb. 31 S. 



cirrhosus. Cuv. lb. 314. 

 Isevis. lb. 319. 



TRACUisvsLmn. (Jig. 80.) General shape of the last, 

 but the body and head are much compressed; oper- 

 culum with a long acute spine on its upper angle ; 

 dorsal fins two, the first triangular, with acute spines ; 



* As evidence of the affinity of Btepsis to Trachinus it is not a little re- 

 markable that Pallas placed them together. 



