. 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. Jordan and Evennann.—Fishes of North America. 2309 8046. ASTKOSCOI'US ZKIMIYUKI S, Gilbert & Starks. Head, without lower jaAv, 2j; depth 3;^. I). V, 13; A. 14; scalfs 84; oye 12 in ; maxillary 2^; poctoriil li; second dorsal spine 7; highest dor- sal ray2J; highest nnal r!iy3,\; caudal If. Body robust, widest at occi- put, slightly compressed posteriorly; autorio
. 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. Jordan and Evennann.—Fishes of North America. 2309 8046. ASTKOSCOI'US ZKIMIYUKI S, Gilbert & Starks. Head, without lower jaAv, 2j; depth 3;^. I). V, 13; A. 14; scalfs 84; oye 12 in ; maxillary 2^; poctoriil li; second dorsal spine 7; highest dor- sal ray2J; highest nnal r!iy3,\; caudal If. Body robust, widest at occi- put, slightly compressed posteriorly; autoriorly tubcylindrical. Mead very larg<' and liroad, wider than the body; mouth large, vertical, a fringe of barbels curving over mouth on each jaw: length a. little greati-r than the <liameter of the eye; tongue very large and tleshy, forming a pad under the membrane of lower jaw, which projects forward somewhat; teeth conical, small and movable, in many bands in upper jaw; in lower jaw the teeth arci larger and in 2 or 3 rows; vomer and palatines with teeth; eyes very small but prominent, set on top of head; interorbital very wide, 4 times as wi«lc as the eye; lioues ou top of head coarsely granular; Y-shaped ridge on top of head conspicuous, ou each side of which is a. broad naked area, the form of these and other bones of the head exactly as in A, y-grwcum; edges of nostrils closely fringed, anterior nostril round, the ridge Jtetween it and eye not very high or conspicuous; ]H)8terior nostril ending in a l')ng curved furrow which runs obliquely across the naked area behind eyes; at its posterior end it turns sharply forward, its length 25 times the diameter of the eye; 2 very short blunt spines in front of the eye; surface of the <»percle, preopercle, and humeral ])roces8 granular, not so rough as in Astroscopus y-drwcnm; gill rakers not developed; pseudobranchia* very small. Head entirely scaleless; belly naked below a line drawn from first anal ray to the middle
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectfishes
