+ 
* : é 
and its Tributaries. 351 
the throat rude, obtuse, placed upon a triangular base, 
the strongest being inthe middle, and the weakest on 
- the sides, and upon two bones separately placed at 
the superior part of the throat; the eye is round, 
placed near the end of the snout, and very near the 
summit of the head ; 'preoperculum larger than the 
operculum, with serratures hardly sensible, on the 
preoperculum, the other pieces being destitute of 
spines; dorsal fins sub-equal in height, the first 
rounded anteriorly, and lower towards the three last 
rays, all of which are strong and spinous, and imbri- 
cated to lie close upon the back; the second. dorsal 
is very high and equal in its length, sustained by 
from twenty-nine to thirty soft and much. 
rays, of which the-first is spinous ; he base of the 
rays of this fin, and of the caudal; "are covered with 
scales ; pectorals moderately pointed ; - thoracic fins 
adorned with a g spinous ray ; anal moderate, of 
seven divided ra and two spines, of which the first 
ds very short, the second strong and very long; cau- 
dal sub-truncated, wider than the abdomen ; scales 
Wi oblique, shorter than broad, and slightly denticulated, 
without being rough to the touch, crowded towards 
the neck above the pectorals, larger upon the opercu- 
la, the sides of the body, and upon the tail ; the color 
of the head, snout, and caudal fin was, of a bluish 
gray, drawing upon black upon the snout and above 
the eyes, more gray towards the back and above the 
pectorals ; all the other fins are of a lighter gray; 
there were some red tints upon the cheeks, a yellow- 
ish reflection u he scales of the back of the tail, 
and of the opercula; the abdomen, beneath the throat 
was white ; lateral line arcuated. è 
x i -— 
