112 PISCES. 



first dorsal very short, the second very longj pectorals large, and a 

 stout spine on the operculum. They generally remain concealed 

 in the sandj wounds inflicted by the spines of their first dorsal are 

 much dreaded, but their flesh is esteemed. Several species are 

 found in the Atlantic, Sec. 



Track, draco, h.; Salv., 72; Track, lineatus, Bl. Schn., pi. x; 

 and Penn., Brit. ZooL, III, xxix. (The Dragon Weaver.) Grey 

 and reddish, with blackish spots; blue streaks and yellow tints; 

 thirty rays to the second dorsal; flanks obliquely striated. 



Track, vipera, Cuv. ; Boideroc; Penn. 28; Bl., 61. (The 

 Otter-Pike.) Smaller than the draco and paler, with smooth 

 flanks and twenty-four rays in the second dorsal. It is more 

 dreaded than the preceding species, in consequence of its dimin- 

 ished size, which renders the fishermen more liable to be stung 

 by it. 



Track, araneus, Riss.; Salvian, 71; copied Willugb., pi. S. 

 10, f. 2. Higher; twenty-eight rays to the second dorsal; six 

 or eight black spots along the flank. From the Mediterranean. 

 Track, radiatus, Cuv.; Cuv. and Val., Ill, Ixxii. Twenty-five 

 rays in the second dorsal; head shagreened and rough; flanks 

 alternately marked with large black rings, and full spots. 

 The Trachini of remote seas are unknown to us. 



Percis, Bl. Schn. 



These fishes, in some respects, are the representatives of the Tra- 

 chini in the seas of hot climates. They principally differ from them 

 in the depression of their head, and by having hooked teeth in the 

 anterior part of the jaws and vomer; but there are none in the palate. 

 Their first small dorsal is somewhat more closely united to the long 

 one which follows it.(l) 



PiNGUIPES, Cuv. 



More heavily built than the Percis; strong conical teeth; fleshy 

 lips and teeth in the palate; thick ventrals. 



Ping, brasilianus, Cuv. et Val., Ill, Ixxiv. From Brazil, the 

 only species known. In 



(1) Percis maculata, Bl., Schn., pi. 38; P. semi-fasciata, Cuv., et Val., Ill, 

 Ixxiii; P. cylindrica, or Sciw^ia cylindrica, lU., 299, 1, which is also the Bodianus 

 Sebx, Bl., Schn., Seb. Ill, xxvii, 16; P. cancellata, Cuv., oi* Labre tetracanthe, 

 Lac^p., Ill, p. 473; and II, pi. xiii, f. 3, which is also his Bodian tetracanthe, IV, 

 302; P.ocellata, Renard, I, vi, 42; P. colias, Cuv. or Enchelyopus coliasy Bl., 

 Schn., p. 54, and the other species described in our third volume. 



