306 THE ANGLER-NATUKALIST. 



the Salmon, but nape of neck and shoulders thicker, and fleshy portion 

 of tail and base of each of the fins more muscular. Teeth of female 

 smaller than those of male (for other particulars respecting teeth see 

 p. 246). Distinctive shape of gill-covers, see p. 245. Shape of tail-fin, 

 see p. 247 ; relative position of the other fins, see p. 301. Elongation 

 of lower jaw confined to the males onh', but not so conspicuous as in 

 the Salmon. Scales rather smaller and more numerous than those of 

 a Salmon of equal size. Colour : when in good condition like that of 

 the Salmon-Trout, p. .312 : at spawning-time, (in the mules') head olive- 

 brown, body reddish- or orange-brown ; (in the females) blackish 

 gi'ej' ; in both fish the back-fins reddish brown, spotted with darker 

 brown, tail-fins dark brown, the other fins dusky brown. Vertebrae 

 commonl}' 59, occasionally 60. 



Fin-rays : D. 11 : P. 14: V. 9 : A. 11 : C. 19. 



THE SEA-TROUT or SALMON-TROUT. 



(^Sahno tnitta*.) 



The last of our migratory species is the Sea- or Salmon- 

 Trout, a much commoner fish than the preceding, and as 

 an article of food more valuable and delicate, ranking with, 

 but after, the Salmon. The marks, as regards the gill- 

 covers, teeth, and shape of tail- fins, &c., by which it is to 



* Tnittii, trout, Lat. 



