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nearly equal length, with teeth, as also in t4ie gullet. 

 Tongue short and smooth nostrils double, and near to 

 the eyes ; in front of the nostrils, two small apertures 

 eyes large, pupils black ; iris bluish, edged with yellow, 

 Coverts of the gills furnished with very small scales ; 

 those on the body larger, but all of them peculiarly 

 rough and hard the belly broad and white ; the anus 

 rather near the tail. The pectorals are of a reddish co- 

 lour j the ventral, anal, and tail, deep red > the dorsals 

 violet, and the first has a large black spot among the 

 shorter rays. In the back, just under the anterior dorsal, 

 there is a peculiar bend, to be seen in only one point of 

 view. The perch, when in the water, appears to be 

 striped deep brown and white ; but when taken out, ap- 

 pears of a greenish cast, with golden bars or spots, which 

 give it a beautiful appearance. 



The RUFF Is a species of the perch j it has several 

 indentions in the head ; has 15 or 27 spines in the dorsal 

 fin, 17 rays in the tail, 6 in the ventral, and 14 in the 

 pectoral fins ; also 7 in the gills, of which the covers are 

 marked with deep blackish-green crescents. The body 

 is long and shiny the head large, and, as well as the 

 back, of a blackish colour. Eyes large j pupil blue j iris 

 brown with a yellow spot jaws of equal length, and 

 armed, as are the throat and palate, with small sharp 

 teeth. Sides yellow, inclining to green and brown; 

 some are. all over of a gold colour. The sides, the pectora^, 

 arid dorsal fins, and the tail, are marked with small black 

 ipots broad belly, anus rather forward, Jins yellow, 

 &d the tail bifurcated. 



