336 DEEP SEA FISHES. 
silvery and higher than long, blackish at the upper edge of the orbit. 
Mouth large, hardly reaching below the middle of the eye; lower jaw 
ending in a sharp angle on a vertical from the hind border of the orbit, 
little shorter than the upper. ‘Teeth sectorial, compressed, with a low 
keel on the outer side, each tooth starting from the socket erect, then, at 
a short distance from -the base, bending forward, larger and farther apart 
forward in both jaws, abruptly becoming smaller, more slender and closer 
together below the forward edge of the eye in the upper jaw, the pair 
of large protruding canines in each series separated by one or a pair of 
small subconical teeth. Nostrils small; posterior near the upper part of 
the eye; anterior near the end of the snout, at a distance from the lip, its 
margins slightly raised. Gill opening small, more than half as wide as the 
eye, in front of the base of the pectoral. 
Vertical fins continuous around the tail; rays longer toward the caudal. 
Dorsal origin in the anterior third of the length. Pectorals small, as long 
as the snout, of fifteen rays. Caudal slender, acuminate, more than half 
as long as the head. Vent below the seventy-eighth muscular segment. 
The total number of segments is about one hundred and sixty-five. 
Entire length four and one half, depth one half, head one fourth, snout 
to vent two and five eighths, and snout to dorsal one and one fourth inches. 
Whitish, translucent or transparent; several irregular blackish blotches 
showing through the opercle; four or five round spots of black along the 
lower edge of the preopercle ; several spots are scattered over the face, and 
a series of deep seated small spots of black extends along the median line 
of the flank from head to tail; a series of small spots of silver, each upon 
a larger spot of black, passes along each side of the lower edge of the 
abdomen ; base of anal fin with two series of smaller closely set spots on 
each side, the lower of the series having the smaller spots. The spots along 
the side are eyelike and have more or less of a silvery iris surrounding a 
black centrum as in the cases of A. falcidens, A. dentatus and A. acus. 
Station. Latitude. Longitude. Depth. Temperature. Bottom. 
3354 72 9° 45 N 80° 50! W. 322 fathoms 46° F. Gn. M. 
Surface townet; Time, Feb. 23, 1 25™ p.m. 
