. The fishes of North and Middle America [microform] : a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Fishes; Fishes; Poissons; Poissons. "*n! 072 Bulletin -/7, United States National Museum. 444. ICOSTEUS, Lockington. hmlenx, Tj()"KiNaTON, I'roc. V. S. Nat. Muh., hi, IK80, fiH, (HiiiV/md^Viiii). Si7i('i/«yi/(i7()yj«js,Stein'DACIINKH, Iclitli. Ilcitri'ne, XI, 4, 1HS1,((i^iii«>'<h«). Hody oblong, much coiiipreHHed thioiighoiit, the liead thicker than ;iiiy part of the body. Dorsal outline risi


. The fishes of North and Middle America [microform] : a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Fishes; Fishes; Poissons; Poissons. "*n! 072 Bulletin -/7, United States National Museum. 444. ICOSTEUS, Lockington. hmlenx, Tj()"KiNaTON, I'roc. V. S. Nat. Muh., hi, IK80, fiH, (HiiiV/md^Viiii). Si7i('i/«yi/(i7()yj«js,Stein'DACIINKH, Iclitli. Ilcitri'ne, XI, 4, 1HS1,((i^iii«>'<h«). Hody oblong, much coiiipreHHed thioiighoiit, the liead thicker than ;iiiy part of the body. Dorsal outline rising rapiiUy to thoorigin of thtMlorsiii fin, thcnco more regularly curved; the region at the base of the doiMa! an<l anal strongly coniitressed; caudal peduncle slender, widened at tlio base of the fin. Mouth large, horizontal; maxillary narrow, reaching' to beyond middle of eye. Teeth in jaws in cne row, slender, sharp, closely and regularly set, those in the lower jaw largest; no teeth on vomer, \\\\X- atines, or pharyngeals. Gill rakers flexible, few ; gill membraaes sepaiiite, free from the isthmus. I3ranchiostegals6; psoudobrsinchiiu well dovelojicd. Lateral lino conspicuous, continuous, decurved, groups of small spines present along its entire length; no scales anywhere on body cr fins. Fins rough, with small spinules; a series along eaci) ray, dividing as the ray branches ; dorsal fin commencing above the axil of the pectoral, omposed of 50 to 60 rays, which are all soft and flexible, some of the anti rior unbranchad; the fin low in front, increasing in height behind; noneof tlie rays more than once forked; anal shorter than dorsal, similar to it, of 35 to 40 ray s; some of the anterior apparently undivided; caudal fin elongate, fan-shaped, t' 0 middle rays produced; accessory rays numerous, procur- rent; pectorals with a fleshy base, fan-shai)ed, the middle rays loiijjjtst; veiitrals thoracic, inserted just behind the pectorals, narrow, con8i;<tiug of 1 short s


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfishes, bookyear1896