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 only, 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. 3 12 : at spawning- time, (in the males) head olive- 

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

 grey ; in both fish the back-fins reddish brown, spotted with darker 

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

 commonly 59, occasionally 60. 



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



THE SEA-TROUT OR SALMON-TROUT. 



(Salmotrutta*.) 



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 



* Trutta, trout, Lat. 



