344 Storer on the 
side of the dorsal ridge and extending below the lateral 
line. Sides white, with cupreous reflections. Ab- 
domen white. The very narrow lateral line com- 
mences directly back of the humeral bone, on a line 
above the origin of the pectoral fin, and pursues a 
gently undulatory course to the base of the tail: this 
line is very distinct, being slightly prominent. Be- 
neath the lateral line on the side, is a fuliginous 
line, much wider than the lateral line, which arises 
at the pectoral fin, and traverses the length of the 
fish; the space between these two lines, of a duller 
color than the side beneath. 
Length of the entire fish to length of the head, as 17 
to 34. Top of the head, of a dark, almost black color, 
produced by longitudinal, broad, broken bands, pass- 
ing backwards from the snout, and a large black 
blotch extending backwards towards the gill-covers, 
from the occiput. yes large, their diameter equal 
to three fourths the distance between the eyes ; pupils 
black ; irides silvery. Eyes protected by a nictita- 
ting membrane. The portion of head directly back of 
the eyes, cupreous.  Gill-covers and maxillary bones, 
silvery. Intermaxillary bones dark fuliginous; angle 
of jaws dusky. Inferior margin of preoperculum, 
marked by a row of minute mucous pores. Gape 
of mouth, moderate. Jaws and palatine bones 
armed with a single row of very minute teeth. 
The whole interior of the lower jaw, and anterior por- 
tion of the upper jaw, fuliginous. Tongue, à dull 
silvery color. 
The first Dorsal fin, composed of strong rays, of 
