6 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 62. 
margin of eye, and a minute one of similar shape in lower margin of 
eye; what appears to be a crescent-shaped luminous area on upper 
margin of eye; two rows of photophores on sides of body ventrally, 
the upper row spaced singly and in pairs as follows: Gill opening to 
ventrals, 1, 1,1, 21,2, 1, 1,2, 2,2,'2.9.9 9 9.1.9 19.00 romps 
ventrals to anal, 1, 1, 1, 2,1, 2, 6 groups; anal to end of series, 
1,2,1,1,4 groups; lower row spaced singly, hyoid arch, 9; isthmus 
to pectoral, 7; pectoral to ventral, 33; ventral to anal, 11; anal to 
caudal, 26. 
Dorsal origin over 13th anal ray, its termination over 38th anal 
ray; distance from tip of snout to origin of dorsal 1.22, to anal 1.39, 
to ventral 1.81, to pectoral 8.18; length of ventrals equal to that of 
head, the two outer rays short, but not standing in a detached group; 
pectorals 1.75 in head, the rays separate, each with a bladelike mem- 
brane extending to tip. 
Color in alcohol, head and body dark metallic bronze, thickly 
covered with minute black punctulations; all fins unpigmented. 
Type.—Cat. No. 84285, U.S.N.M., 132 mm. in length, taken with 
a townet at Station 10180, 30 miles southwest from Bermuda, at a 
depth of from 75 to 0 meters. 
(proximus, near to Hustomias obscurus.) 
EUSTOMIAS BIGELOWI, new species. 
Dorsal, 22; caudal, 19; anal, 41; ventrals, 7; pectorals, 2. 
Head 7.95 (8.50 in total length), compressed, its breadth equal to 
one-half its length; profile convex, two bony ridges extending from 
Fic. 5.—EUSTOMIAS BIGELOWI, NEW SPECIES. 
above posterior nostril to behind eye; body long, compressed poste- 
riorly; greatest depth 12 (12.8 in total length); eye 4.80, lateral, cir- 
cular; snout 3; mouth large, jaws equal; maxillary 1.17, extending 
about 2 eye diameters behind vertical from posterior margin of eye; 
barbel short, stout, 7.35 in length without caudal, club shaped, three 
filaments arising about midway in its length, a subconical organ at 
its tip, from which arise three long and four short filaments; teeth in 
both jaws in a single row, canine, of unequal length, their tips re- 
curved, the largest in the upper jaw being the first, fourth, tenth, and 
fifteenth; tongue with three pairs of strong recurved fangs, vomer 
and palatines toothless; interobital 4, convex; body scaleless. 
