192 DEEP SEA FISHES. 
Scales large, with prominent concentric strix, cycloid, in ten longitudinal 
and sixty to sixty-five transverse series, in eight series along the caudal 
pedicel. Lateral line a deep groove curving upward from the upper angle 
of the gill opening till close to the median line near which it continues 
along the sides of the dorsal to within about fifteen rays of the end of 
this fin where it ends abruptly. An air bladder. Two pyloric ceca, short 
and thick. In a female of one and one fourth inches the ova are nearly 
or quite mature. Largest specimen measuring one and seven eighths 
inches, 
Flanks, cheeks, and iris silvery; back appearing brownish from numerous 
small spots; top of head darker. There is a long group of small spots, near 
the hinder part of the first section of the anal, on the lower edge of the 
flank passing backward a short distance along the second part of the fin. 
A group of the spots at the base of the caudal. Entire ventral surface light 
except in a series of blackish dots at the bases of the anal rays, anteriorly 
in the fold and more or less complete backward ; these are covered by 
membranes and simulate the luminous spots of the Scopeloids. 
Station. Latitude. Longitude. Depth. Temperature. Bottom. 
3423 16° 47’ 30” N. 99° 59’ 20” W.. 94 fathoms 56° F. Green mud. 
This species has a larger eye than either Bregmaceros Macclellandii or 
B. atlanticus and its snout is shorter, more blunt, and less conical. B. dongipes 
is less closely allied to either of the last two than they are to one another. 
B, Macelellandii has been reported from the China Seas and from the Philip- 
pines to Bengal, where Alcock notes its occurrence from 128 fathoms. 
B. atlanticus was taken by the steamer “ Blake,’ in the West Indies off 
Nevis and Grenada and in the Gulf of Mexico, lat. 25° 33’ N., lon. 84° 
21’ W. in depths varying from 101 to 305 fathoms. 
if ying 
MACRUROIDS. 
This is a deep sea family of which a few members are found near the 
surface. It contains a small number of genera, but the latter are made up 
of a large number of species and these, again, judging from their abundance 
in the dredges and trawls, include hosts of individuals. The family gener- 
ally is well adapted to bathybial conditions, even in the few species dwelling 
in the shoaler waters, and probably is distributed from the Arctic to the 
Antarctic regions in all the oceans. Immense numbers of individuals, with 
