MACRURUS BUCEPHALUS. 195 
rapidly backward. Supranarial ridges strongly bent toward one another 
between the nostrils. 
Origin of the spinous dorsal above the axil of the pectoral ; first spine very 
small; second spine largest, slender, with spinules few and scattered, and 
with a filament, total length three fifths of that of the head ; base as long as 
the orbit. Second dorsal low, feeble anteriorly, origin distant from the base 
of the first dorsal one length of the orbit. Anal well developed, one and 
one third lengths of the orbit farther backward than the base of the first 
dorsal, backward of the head three fourths of the length of the latter, dis- 
tant from the ventrals two thirds of the length of the head. Vent close to 
the anal fin. Ventrals small, below the base of the pectorals, first ray fila- 
mentary at the end, half as long as the head or longer. Scales moderately 
harsh; the spinules with which they are thickly beset are low and not 
bristling as in the case of IZ. bucephalus. No pyloric appendices. 
Rusty brownish ; blackish on the fins and belly and on the linings of the 
body cavity. 
Station. Latitude. Longitude, Depth. Temperature, Bottom. 
3363 5° 43’ N. 85° 50’ W. 978 fathoms SieOor We Wh. glob. Oz. 
Macrurus bucephalus sp. n. 
Plate XLIV. figs. 2-2 6. 
Br. r. 6; D. 10 +- 87-93; A. 94-97; V.9; P. 23. 
Body cavity short; caudal region compressed, thin, elongate, tapering 
rapidly near the abdomen and gradually backward to a slender threadlike 
extremity. Head rather short and broad, near one fifth of the total length, 
subround in transsection, little higher than wide. Snout short, blunt, with 
three low angles, median angle not greatly in advance of the lateral, length 
equal to that of the eye or to the width of the interorbital space, steep in 
front of the mouth, distance of the tip from the maxillaries two thirds of the 
length of the orbit. Eye of medium size, one fourth as long as the head, 
orbital length equal to that of the snout or to the interorbital width. 
Mouth large, subtending about two thirds of the eye. Teeth small, in villi- 
form bands, outer series of the upper jaw separated and larger. Suborbital 
ridge low, rounded, hardly apparent backward of the orbit. Barbel small, 
half as long as the eye, one sixth longer on large specimens. 
The supranarial ridges are nearly parallel and straight from the orbit to 
the lateral angle on the snout. On the preopercle the lower angle extends 
