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Show 112 PISCES. first dorsal very short, the second very long; pectorals large, and a stout spine on the operculum. They generally remain concealed in the sand; wounds inflicted by the spines of their first dorsal are much dreaded, but their flesh is esteemed. Several species are found in the Atlantic, Stc. Trach. draco, L.; Salv., 72; Trach. lineatus, Bl. Schn., pl.x; and Penn., Brit. Zool., III, nix. (The Dragon Weaver.) Grey and reddish, with blackish spots; blue streaks and yellow tints; thirty rays to the second dorsal; flanks obliquely striated. Trach. 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. Trach. afaneus, Riss.; Salvian, 71; copied Willugb., pl. S. 10, f. 2. Higher; twenty-eight rays to the second dorsal; six or eight black spots along the flank. From the Mediterranean. Trach. radiatus, Cuv.; Cuv. and Val., III, lxxii. 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. etVal., III, lxxiv. From Brazil, the only species known. In (~~ Percis m_acuz:aa, Bl., Schn., pl. 38;-P. semi{asciata, Cuv., et Val., ID, lxxm;-P · cyltndnca, or Sciama cylindrica, lll., 299, 1, which is also the Bodian!JI Sebre, Bl., Schn.~ Seb. ill, xxvii, 16;-P. cancellata, Cuv., or Labre tetracanihe, Lacep., III, p. 473; and II, pl. xili, f. 3, which is also his Bodian tetracanthe, IV, 302;-P. ocel/ata, Renard, I, vi, 42;-P. coliaB, Cuv. or Enchdyopu,B coliaJ, Bl., Schn., p. 54, and the other species described in our third volume. ACANTHOFTERYGII. 113 PERCOPHis, Cuv. The body, on the c?ntrary, is much elongated; some of the teeth are very long and po~~ted, and the end of the lower jaw projects. Percoph. . brasthanus, ...C u v .,· Perc · Fabre , Quo y an d G aym., Voy. Frey~m., Zool., lm, 1, 2. The only species known: also from Braztl. One of the most remarkable genera of the Jugulares is that of U RANOSCOPus, Lin. S? called because the eyes are placed on the superior surface of the nearly cubical head, and look upwards: the mouth is cleft vertically; t~e lower part of the preoperculum is crenate, and there is a stout spme to each shoulder; but six rays in the branchire. In the mouth and before the. tougue is a long and narrow slip, which can be protruded at the w1ll of the fish,. and serves, it is said, to attract smallr on.e s, while it remains concealed in the mud. A remark bl f a e pecu tanty o their anatomy is the enormous size of the gall-bladder a fact well known to the ancients. ( 1) ' In some, the first dorsal, small and spinous, is separated from the second which is soft and long. Uranos. scaber, L.; Bl. 173. Grey-brown, with irreo-ular ranges of whitish spots. Although one of the most hideous of fishes, it is eaten. From the Mediterranean. Very similar species are found in the Indian ocean and in Brazil.(2) ' Oth~rs have but one dorsal in which the spinous and soft parts are umted. They are all foreign to our seas.(3) In a third division of the Percoides, the ventrals are inserted further back than the pectorals: they are the PERCOI .. DEs ABDOMINALES. Th~ first genus is PoLYNEMus, L. So named because several of the inferior pectoral rays are free and forms o many fil aments;( 4) the ventrals are not very far back,' and ( 1) Arist. Hist., An., lib. II, xv. (2) Add Uranoa~. affinis, Ur. marmoratus, U:r. gttttatus, Ur . .filibarbie, Ur. Y grrecum,· new spec1es described in our third Vol. (3) ... Uranosc. Iebeck, Bl., Schn., p. 47; Ur. monopterygius, lb. 49;-Ur. lawis, lb., pl. vm;-Ur. inermia Cuv t Val III 1 · d Ui · 1.--· · (4 ) ' ·• e ., , XXI, an , •• a.rr,~s, two new spec1es. From rt~fA.et. (a thread). VoL. II.-P \ |