BASSOZETUS NASUS. 159 
lamelle very short. Six gill rakers and one rudiment on upper section of 
first gill arch, and eighteen rakers and six rudiments on the lower section ; 
longest raker as long as the snout, slender. Gill membranes not united, 
not attached to the isthmus. Dorsal fin and anal continuous with the 
caudal, low. Dorsal origin above the pectoral base; anal origin distant 
from the snout two lengths of the head. Pectorals moderate, narrow, in 
the lower half of the depth of the body, three fourths as long as the head or 
longer, reaching to the vent or backward. Ventrals filamentary, of a single 
ray, half as long as the head, inserted immediately behind the humeral 
symphysis, bases close together. Caudal narrow, extending beyond dorsal 
and anal, pointed. Scales medium, thin, with fine concentric striz, smooth 
to the touch, imbricated; those on head and snout smaller and irregular ; 
seven large ones between the lateral line and the small ones on the base of 
the dorsal; about one hundred and ten between head and caudal. Lateral 
line becoming indistinct not far backward of the anal origin, rising little 
behind the opercle. A prominent anal papilla. Six short pyloric ceca. 
Skull with a prominent spine-like internarial keel, another in the interorbital 
region, and a third on the occipital crest. The ridge between the nostrils is 
not a spine, as in Lepophidium. 
Blackish over body and head, also inside of mouth and body chambers. 
Length eight and one half inches. 
Station. Latitude. Longitude, Depth. Temperature. Bottom. 
3393 7° Ls ON. 79° 36’ W. 1020 fathoms 36.8° F. Gn. M. 
Bassozetus nasus sp. n. 
Plate LXXVITI. and Plate LXX VIII, Lat. Syst., Nerves, and Brain. 
Br. r. 8 (8-7); D. 126-1382; A. 105-109; V.1; P. 23; C.9; Ll. 156 ca. 
Total length eleven, head and body cavity three and one eighth, head 
one and five eighths, and snout to dorsal fin one and one half inches. Body 
compressed ; head thick, depressed anteriorly ; caudal region slender, taper- 
ing regularly, threadlike toward the end. Greatest depth two thirds of the 
length of the head; outline highest and arched on the nape. Entire head 
covered with scales; skull with a high internarial ridge, and a ridge near 
each side of the interorbital space, separated by a deep concavity and 
diverging a little at each side of a similar cavity on the parietal region ; 
muciferous cavities large and deep. Snout swollen, as broad as the orbital 
