184 
PLAICR. 
of the length, excluding the caudal hn. The most elevated eye 
is close to the upper margin of the body, -which there suffers 
a depression in its outline; and the lower eye is in advance, 
near the end of the mystache, -with a ridge between them, 
and six tubercles in a line backward, reaching to the lateral 
line. Lower jaw projecting; small teeth; gape rather small. 
Body and cheeks covered with small scales, which do not 
overlap each other; lateral line a little arched at its com- 
mencement and afterward straight. The dorsal fin begins with 
short rays close above the upper eye, and is widest behind 
the half of its length, ending at a short distance from the 
tail, as docs the anal. Ventral fins about midway between the 
throat and the beginning of the anal fin; pectoral moderate; 
tail round. The colour varies in different examples from 
brown to deep bluish green ; but both body and fins are dotted 
over with bright yellow or orange-coloured s^Jots. 
