494 Storer on the m. 
above, of a grayish slate color; lighter upon the 
Sides, with a dark band, which, commencing: at the 
tip of the lower jaw, as a small black point, runs 
along its margin to the angle of the jaw, then as- 
suming a band which passes to the tail, interrupted 
 enly by the eyes; in front of the pectorals, this band 
is only two lines in width, at the pectorals it grows 
wider, is widest beneath them, and becomes gradu- 
ally smaller as it approaches the posterior extremity - 
of the fish. Top of the head flattened; back, be- — 
tween disk and dorsal fin, nearly circular; body, back 
of the dorsal, somewhat compressed. Length of the 
head, from the tip of the lower jaw to the posterior 
.. angle of the operculum, three inches, five lines; 
depth of the head, at the posterior portion, one and 
a half inches; width over the same portion, two 
inches, two lines. yes situated just half way be- 
tween the tip of the lower jaw and the extremity of 
the operculum, circular, between three and four 
lines in diameter. Nostrils, double, small, furnished 
with fleshy appendages.  Branchial aperture very 
large; membrane 5 rayed. The lower jaw, which 
terminates in a point, extends six lines in front of 
the upper; both jaws crowded with numerous small 
teeth, resembling very much those of a card. Teeth 
also in the throat, and upon the palatine bones. 
Tongue, rough. Upon the top of the head, is an 
adhesive disk, four inches two lines in length, one 
inch one line wide, at the anterior extremity ; one 
inch. si ix lines at the widest part of the posterior ex- 
emity ; extending from the tip of the upper jaw to 
the middle of the pectorals ; this disk has 21 trans- 
