APPENDIX. 



GENERIC DESCRIPTION OF VARIOUS FISHES. 



THE SALMON. Scales not very large, and rather 

 round no scales on the head large mouth, thin lips, 

 the upper jaw generally protruding a little very sharp 

 teeth in the jaw, on the tongue, and in the throat. Co- 

 verings of the gills, three bony laminae the back round, 

 with little arch on the back the lateral line nearly 

 straight, the sides not much flattened, and silvery. 13 

 rays in the anal fin, 14 in each pectoral fin, 10 in each 

 ventral fin, 21 in the tail, and 14 in the dorsal; also 12 

 rays in the gills. The forehead blark, as also the back 

 black pupils, silvery iris, and cornea of the eyes yellow- 

 ish. When in season, the flesh is of a fine rose colour 5 

 and when fresh from the sea, many black spots are seen 

 on the sides. The males have a nail, or stud, of a horny 

 substance at the tip of the lower jaw, and usually some 

 reddish spots on the sides 5 their tails are also more 

 forked, and their heads more bluff, than those of the 

 females. Every species of this genus has a small fleshy 

 fin between the dorsal and the tail, called the adipous fin. 



The SALMON-TROUT Has six dots on each pectoral 

 fin. The rays are as follow : in the gills, 12 rays 5 in 

 the pectoral, 14 -, in the dorsal, 14; in the ventrals and 



anal, 



