494 
PROCEEDINGS OF THE NATIONAL MUSEUM. 
vol,. XXIV. 
Body deep, compressed, the caudal peduncle especially so; dorsal 
contour rounded, the ventral line nearly straight. Head large, its 
width greater than that of body. Eyes very large, in anterior part of 
head, directed obliquely upward and forward; interorbital space nar- 
row, concave. Mouth exceedingly large, the maxillary extending 
beyond eye a distance about equal to half its length, contained 1^ 
times in head, the posterior edge broad, truncate, not slipping beneath 
preorbital; a supplemental bone on upper posterior edge. Teeth long, 
slender in a single row in each jaw; upper jaw with 4 small, curved 
fangs at tip just behind the other teeth; vomer and palatines without 
teeth, pharjaigeals with villiform teeth. Pseudobranchia? present; 
gill rakers ver}^ long and slender, 11 + 18 on first arch. 
Head naked, without tentacles or spines; body with small cycloid 
scales, a narrow area on breast naked. Lateral line inconiplete, pass- 
ing along upper part of body to near insertion of soft dorsal where 
it ends. 
Fig. fi. — Gnathypops evermanni. 
Dorsal fins united, the spinous dorsal inserted above upper edge of 
gill opening, the posterior rays slightly higher than the anterior ones, 
contained 3 times in head; the rays higher than the spines, the longest 
contained about If in head; when depressed, the tips of the posterior 
rays just touch the base of caudal. Anal inserted slightly in advance 
of beginning of soft dorsal, the fin not reaching as far posteriori}^ as 
does the latter. Caudal acutely rounded, contained 4 times in length. 
Pectoral pointed, 5 in length. Second ray of ventral longest, 4^ in 
length. 
Color brownish, each scale edged with darker. A broad blackish 
band along upper part of spinous dorsal, continued along near middle 
of soft dorsal, above this a light band on soft dorsal bordered by a dark 
marginal band. Caudal with a narrow, lunate, vertical light band at 
base, then a broad dark band followed by a light one, and finally a 
terminal dark border. Anal very dark, becoming black along the 
border, an elongate, white area near the center. Ventral dark, the 
membrane between the outer rays white. Pectorals dusky. 
