British reptiles, amphibians, and fresh-water fishes Year: 1920 (1920s) Authors: Westell, W. Percival (William Percival), 1874-1937 Subjects: Reptiles Amphibians Freshwater fishes Publisher: [London] : Chapman & Dodd Contributing Library: Smithsonian

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Identifier: britishreptilesa00west Title: British reptiles, amphibians, and fresh-water fishes Year: 1920 (1920s) Authors: Westell, W. Percival (William Percival), 1874-1937 Subjects: Reptiles Amphibians Freshwater fishes Publisher: [London] : Chapman & Dodd Contributing Library: Smithsonian Libraries Digitizing Sponsor: Smithsonian Libraries
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Text Appearing Before Image: ravel bed beingselected where the water is not deep. Perhaps thefour most distinct species (if such they be) are the following :—72 CHAR AND GRAYLING 1. Torgoch, or Welsh Char {Salvelinus perisii), (Various Lakes in North Wales.) 2. Haddy, or Killin Char (5. killinensis). (Loch Killin, Inverness-shire.) 3. Shetland Char {S. gracilUmus). (Loch Girlsta, near Lerwick, Shetland Isles.) 4. Grays Char {S. grayi), (Lough Melvin, Fer- managh, Ireland.) Lydekker says that * in the spawning-season the upperparts of this fish are brownish-green, and the sideslighter ; the under surface passing through all shades oforange to vermilion, from the throat to the pelvic fins,where the colour attains its greatest intensity. Thesides are ornamented with rounded spots varying fromwhite to red in colour ; the dorsal fin has dark markings,and the pectoral and pelvic fins are brilliant red. Theform described is said to attain a length of 8 or 9 inches,but the ones found in Northern waters are much larger. Text Appearing After Image: Grayling.—Thymallus thymallus (Fig. 38). The Gray-ling is of local distribution in England and Wales. It does not occur in Ireland, and has onlv been introduced 73 BRITISH FRESH-WATER FISHES to a few parts of Southern Scotland. It claims kinshipwith the Salmonidce Family, and the scientific name ofThyniallus—thyme—has been conferred because of thedelicate flavour of the white flesh resembling the aromaticherb mentioned. It is a beautiful silvery fish, and ischaracterised by the long and rounded dorsal fin, bearingfrom 20 to 25 rays. It has gentler habits than its cousin,the Trout, quietly searching for insects at the surfacewithout any attempt at showing oif. It revels in a clearfast-flowing stream, and whilst waters that shelterGrayUng also contain Trout, all waters that hold Troutdo not also hold Grayling. At times, it resorts to theshallows, but the angler knows full well that the big fishmust be sought for in the deep pools. It is said toperpetrate harm by consuming the spaw
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