312 THE AJS^GLEE-NATUEALIST. 



In July 1840 a male Sea-Trout was taken at Sandstill 

 fishery in the mouth of the Tweed, which was 37 inches in 

 lengthj 22 in girth, and which weighed 24| lbs. ; and in 

 November 1846 one of 40 inches in length, and weighing 

 21 lbs., was caught in the Tame near Drayton Manor, and 

 presented by Sir Robert Peel to Professor Owen. 



Principal Characteristics of the Sea- Trout.—Length. of head compared 

 to body only, as 1 to 4 ; depth of body compared to whole length of fish 

 also as 1 to 4. Teeth small and numerous, in five rows on upper surface 

 of mouth (see also pp. 246 & 309), those on the vomer, or central bone 

 in roof of mouth, generally extending some distance along it, the points 

 turning outwards alternately to either side ; one row on each side of 

 under jaw, and 3 or 4 strong, sharp, and curved teeth on each side of 

 tongue. Distinctive form of gill-cover, see p. 245. Shape of tail-fin, 

 see p. 247. Eelative position of fins, see p. 301. Lateral line very 

 nearly straight. Scales adhering closely, in fomi rather a longer oval 

 than those of the Salmon. Colour when in season : upper part of head 

 and body bluish black, lighter on sides, which are marked (principally 

 above the lateral line) with numerous spots somewhat resembling in 

 form the letter X. Lower part of sides and belly, cheeks, and gill- 

 covers silvery white ; back-fins and tail nearly same colom' as back ; 

 pectoral fin# small, and bluish white ; anal fin and ventral fins white. 

 Vertebrffi 58. 



Fin-rays : D. 12 : P. 13 : V. 9 : A. 10 : C. 19. 



