SEA TROTTT. 41 



CHAPTEE m. 



SEA TEOTJT. 



Sahno Trutta Marina — Salmon Trout — White Trout. 



This fish corresponds precisely with the description 

 given by Dr. De Kay of the Speckled Ti'out, Sahno Fon- 

 tinalis, except in the following particulars : 



I can find no teeth in the vomer or central part of the 

 roof of the mouth any more than I can find them on the 

 common brook trout, and I have examined great numbers 

 of the latter for the purpose. The pectorals are nearly a 

 transparent white, slightly tinged with red at the origin 

 of the rays, except that the second ray is darkish. The 

 first ray of the ventrals is yellow, the second dark, the 

 third and the others orange fading into white ; the origin 

 of the ventrals is directly under that of the first dorsal. 

 The first ray of the anal fin is orange, the second and 

 others dark green, growing lighter toward the tail, the 

 origin of the second and third rays being yellowish. 

 The scales are very small, imbedded in the skin, and 

 there are neither scales nor defined spots on the gill- 

 covers. The fin-rays are as follows : 



Br. 12 ; D. 13 ; P. 13 ; V. 8 ; A. 10 ; C. 19^. 



The branchial rays seem to difi'er sometimes, the same 

 fish having eleven on one side and twelve on the other, 

 and the highest one is a half ray or small plate. The 



