. British and Irish Salmonidæ. rl,\ff C«c lyl. 38-47 ; 9) .«ur. Vert. under sev°eral names it exists in crsdelbliLunlan^e ,f ^^ he ermed P™?,and observed thaIsland; (3) S. cambrics or sewin (4X™„rf m^Wh^^^^^^ the whole extent of the Britishwith the so-called hybrids of the el n , f ? Zm nf TV° ^T^f^^^y ^t^^^lasserted to be more l tish of the north than thp!,.^,; ^ /ll ^°° *»«• «l*^li heCi^^tT;r^,°-^--S-^°^ and seemed to be ^i^i<^^^:^<::t/:^!;,^:^.^t^^i:z^ to be (2) sea trout, ,S. tnUta and its several varieties a the S ook t™n7*rl H ^^° * ••char, ,S. alpinus; and (4) the American chas
. British and Irish Salmonidæ. rl,\ff C«c lyl. 38-47 ; 9) .«ur. Vert. under sev°eral names it exists in crsdelbliLunlan^e ,f ^^ he ermed P™?,and observed thaIsland; (3) S. cambrics or sewin (4X™„rf m^Wh^^^^^^ the whole extent of the Britishwith the so-called hybrids of the el n , f ? Zm nf TV° ^T^f^^^y ^t^^^lasserted to be more l tish of the north than thp!,.^,; ^ /ll ^°° *»«• «l*^li heCi^^tT;r^,°-^--S-^°^ and seemed to be ^i^i<^^^:^<::t/:^!;,^:^.^t^^i:z^ to be (2) sea trout, ,S. tnUta and its several varieties a the S ook t™n7*rl H ^^° * ••char, ,S. alpinus; and (4) the American chas L,/^, trout, Lochleven trout, &c.; (3) the culturists. ^ ^™^«a cnai, ,S. Joutuiuhs, which had been acclimatized by fish- 12 SALMONID^ OF BRITAIN, The head, which is comparatively large, is divided from the body by the pill-openins^s, while the eye (fig. 4 e) sub-divides it into two parts, that in front of thisorgan being termeil the ante-orbital and that behind it the post-orbital region ; in. FiR. 4. Outline of a young Lochleven trout, a. anal fin : ad. adipose dorsal fin: hi: branchios-tegous rays: c. caudal tin : d. rayod dorsal tin : e. eye : iuteropercle ; lateral-line : lit. maxilla:via. mandible : n. nostrils: o. opercle : j). pectoral fin : pm. premaxilla : po. preopercle: so. sub-opercle : suborbital ring : r. ventral fin : r(. vent: .r. peduncle or free portion of the tail. the former is the snout wherein are placed the nostrils (n) and the mouth. Theregion between the orbits is known as the inter-orbital space, while that belowthe orbit is the infra- or sub-orbital, with its ring of bones (). The mouth issomewhat oblique, and rather protractile. The gill-covers or opercles consist offour pieces, the posterior and upper of which is the opercle or operculum (o). Infront of it is the pi-eopercle (2)0). While of the two lower pieces, the posterior isknown as the sub-opei-cle {so), and the anterior, situated below the preop
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Keywords: ., bookcentury1800, bookdecade1880, bookidbritishirish, bookyear1887
