12 THEj AMERICAN TROUT. 
CHAPTEE n. 
THE AMEEICAN TROUT. 
The Brook Trout — The New Yorh CTiarr — Sahno 
fontinalis. — Salmon tribe ; ventrals in abdomen, rajs 
soft. 
The slioulder and first back fins have each eleven rays ; 
the second back fin is mere fatty matter and rayless, the 
characteristic of the salmon tribe ; the ventral has eight, 
the anal fifteen, and the tail nineteen rays. The back is 
dusky green, mottled with yellow spots ; growing lighter 
on the sides, where the spots have irregularly a beau- 
tiful blue or carmine speck in the centre; the belly 
is silver white, with a roseate tinge as it fades into the 
darker colors of the sides ; the shoulder fins are yellowish 
at the base, the ventrals yellowish red, the anal reddish, 
and in all the rays are dusky. The gill-covers have no 
defined spots. 
The body is covered with delicate scales that will 
escape all but the strictest observation. The teeth are 
on the tongue and throat, but none on the roof of the 
mouth discernible to the naked eye; there is an outer 
row on the lower jaw, and an inner and outer row on the 
upper jaw. This fish is so well known to the public from 
its extensive distribution through the northern States, 
and so totally dissimilar from the Perch and Bass, mis- 
