A history of the fishes of the British Islands (1862) (14776735605)

Identifier: historyoffisheso04couch (find matches)

Title: A history of the fishes of the British Islands

Year: 1862 (1860s)

Authors: Couch, Jonathan, 1789-1870 Lydon, A. F

Subjects: Fishes

Publisher: London, Groombridge and Sons

Contributing Library: Smithsonian Libraries

Digitizing Sponsor: Smithsonian Libraries

Text Appearing Before Image:

anthat of the head, much more than one half between its rootand that of the ventral. Nostrils immediately before the eye.The maxillary bone (mystache) extends scarcely beyond thehindmost margin of the eye; two pairs of teeth on the vomer,four pairs on the tongue. Mr. Mascall observed (Loudons Mag. Nat. Hist., vol. viii, A.D. 1835,) that in the exampleshe met with, the bones of the gill-membranes were not inequal numbers on both sides. Dr. Gunther remarks thatnearly all these bones are exposed to sight in a side view ofthe fish. The origin of the Dorsal fin is exactly in themiddle between the snout and root of the caudal; the raystwelve in number, the first very short, fourth and fifth longest.Anal fin with twelve rays, its origin exactly in the middlebetween the root of the caudal and that of the outer ventralray; the first ray very small, the five first rays obscured bybeing enclosed in a common membrane, the fourth longest,fifth branched. Tail fin forked, the lobes pointed; pectoral

Text Appearing After Image:

^ Xi ^ o willoughbys char. 2G3 fin at its root not overlapped by the gill-covers, tlie raysthirteen or fourteen; ventral nine or ten, situated below thetwo last rays of the dorsal. Scales thin and small. Colour onthe sides of the back dark sea-green, blackish on the back,and on the greater part of the dorsal and caudal fins. Sideswith a slight silvery shade, passing into a beautiful deep redon the belly; pectorals greenish, passing into reddish posteriorly,the upper border white; ventral fins red, with a white outermargin and a blackish shade within the margin; anal reddish,with a blackish shade over the whole of the middle, and Avitha white anterior margin; sides of the head silvery, the lowerparts minutely dotted with black. Number of the vertebraefifty-nine. The length rarely exceeds ten inches, but it hasbeen known above fifteen. 264 TORGOCH OF LLANBERRIS. WELSH CHAr;. Salmn Camhrkus, Guxther; Journal of Zoological Society, 1862, p. 13, pi. 6, but the trivial namesince changed to

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1862

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