68 DEEP SEA FISHES. 
subvertical ridges and points on the lower section. Operculum with a 
longitudinal ridge which ends in a weak point. Gill covers very thin, 
striate. A moderate spine between the nostrils on the top of the snout. 
Gill lamelle very short; gill rakers nine plus twenty-two, elongate, one 
and two thirds times the length of the eye, compressed, rather broad at 
the ends. Pseudobranchiz small. 
Dorsal origin about midway from the snout to the base of the caudal. 
Anal origin nearly below the eleventh ray of the dorsal, the seventh or the 
eighth anal ray being below the base of the hindmost dorsal ray. Pectorals 
long, slender, reaching the hindmost ray of the anal. 
Seales large, cycloid, concentrically striate, thin, deciduous, more numer- 
ous and smaller than those of Melamphaés mgrofulvus. 
Surface deep black, in life apparently tinted to some extent with 
yellowish brown; linings of body cavity black. 
Station. Latitude. Longitude. Depth. Temperature. Bottom. 
3431 23° 59" N: 108° 40/ W. 995 fathoms By Lt. bro. M. Glob. 
3430 23° 16’ N. 107° 31’ W. 852 =“ 37.9° F. Bk. S. 
SCOMBROIDS. 
Except in one case none of the Scombroids in the list given below have 
been assigned to levels lower than 400 fathoms; the one exception is 
that of Nealotus tripes Johns., noted by Giinther in the “ Challenger” report 
from a depth of 2675 fathoms, but with the question whether the specimen 
may not have entered the dredge much nearer the surface of the ocean. 
In the present collection two genera are represented, each genus by a 
single species of. which only one has a given depth, Zrichiwrus nitens 
sp. n., from 210 to 322 fathoms. This species is a close ally of 7. depturus 
of the Atlantic. The other species, that with which no depth is given, 
is, so nearly as may be determined at this moment, the species described 
by Lesson under the name Lemnisoma thyrsitoides, the Gempylus coluber of 
Cuvier and Valenciennes. 
TRICHIURIDA. 
Gempylus serpens Cuv. 
It is not possible to determine from the descriptions whether the 
specimens from the Pacific represent a different species or variety from 
