10 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 62. 
eye; seven smaller pairs of canines followed by 16 small recumbent 
teeth; first pair in lower jaw small, exserted, divergent; second pair 
longest, followed by eight smaller pairs of canines; tongue with two 
groups of recurved teeth; four or five teeth on each palatine; vomer 
toothless; interorbital 3.75; body scaleless. 
A large ovate luminous organ behind and below eye, a smaller one 
in advance of this on upper edge of maxillary; two rows of elongated 
photophores on sides of body ventrally, about 15 in upper row from 
pectorals to ventrals. 
Dorsal origin over that of anal; distance from tip of snout to origin 
of dorsal 1.20, to ventral 1.87, caudal 1.20 in head, its lower lobe the 
longer; ventrals 3.75 in length without caudal, the rays hairlike; 
pectorals 5 in length without caudal, its rays filamentous, the first 
three closely united at base, a short interspace between these and the 
next four, which are separate and somewhat swollen at base. 
Color in alcohol, head and body metallic bronze, thickly sprinkled 
with minute white grandular bodies with blackish margins; all fins 
unpigmented, except the swollen bases of the last four pectoral rays, 
which are black. 
Type.—Cat. No. 84291, U.S.N.M. 
(digitatus, fingered.) 
Genus TRICHOSTOMIAS Zugmayer. 
Trichostomias ZUGMAYER, Bull. Ocean. Inst. No. 193, 1911. 
TRICHOSTOMIAS METALLICUS, new species. 
This species is close to T. vaillianti Zugmayer, from which it dif- 
fers chiefly in its much smaller eye, higher number of dorsal and anal 
rays, and the presence of four small teeth on the palatines. 
Nine examples taken by the Bache, as follows: 
Station 10161, 115 miles east from Cape Hatteras, 1,000 to 0 meters, 1 example, 
40 mm. 
Station 10166, 240 miles southeast from Cape Hatteras, 100 to 0 meters, 1 example, 
42 mm. 
Station 10169, 270 miles southeast from Cape Hatteras, 50 to 0 meters, 1 example, 
40 mm. 
Station 10169 C, 270 miles southwest from Cape Hatteras, 50 to 0 meters, 3 exam- 
' ples, 41 to 33 mm. 
Station 10173, 185 miles west from Bermuda, 100 to 0 meters, 2 examples, 46 to 
40 mm. 
Station 10184, 210 miles south-southwest from Bermuda, 100 to 0 meters, 1 exam- 
ple, 45 mm. 
Dorsal, 15; caudal, 24; anal, 16; ventrals, 5; pectorals, 2—1. 
Head 4.80 (5.5 in total length), subconie, its width 2.08, its depth 
1.82 in its length, smooth, without ridges; body cylindrical, slightly 
compressed posteriorly, greatest depth 8.75 (10 in total length) ; eye mi- 
nute, circular, 14.6 in head; snout acute, projecting, 2.43; mouth large, 
