74 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 9 



higher and lies in a groove. It is confluent with anal fin around tip of tail. 

 Anal fin inserted immediately behind anal opening; low and poorly de- 

 veloped its entire length. No pectoral fins. 



Head pointed, the snout projecting well beyond mouth. Mouth in- 

 ferior and upper jaw longer than lower. Anterior nostrils tubular, di- 

 rected downward, and located on the snout just anterior to the symphysis 

 of the lower jaw; tubes almost equal in length to eye. Posterior nostrils 

 an elongate slit on the under side of upper lip just below anterior edge of 

 eye, the slit covered by a pendulous flap of skin. Eye small, located slightly 

 nearer to angle of jaws than to tip of snout. Top of head and snout cov- 

 ered with many bluntly tipped, small, villiform papillae, especially abun- 

 dant on snout and interorbital space. Gill openings low on sides, almost 

 vertical, and deeply curved. The membranes covering the gill chambers 

 expanded, giving a pouchlike effect to this area of the head. Jugostegalia 

 evident as numerous, fine, slightly curved lines running obliquely, crossed 

 by other lines to form a typical crosshatched pattern. 



Maxillary, mandibular, and vomerine teeth uniserial. The teeth 

 small, conical, sharp, and slightly recurved. Anteriorly in the jaws they 

 become slightly larger and more widely spaced. Three or four teeth on 

 shaft of vomer. Premaxillary teeth only two in number, visible when 

 the mouth is closed. They lie between the anterior nostrils and are 

 caninelike, curved, depressible, and larger than the rest of the teeth. The 

 lateral line is prominent. Each pore opens on the surface through a short 

 tubule directed downward from the main lateral tube. The outer end of 

 each tubule has its edge slightly raised above the surface of the body. The 

 lateral line continues forward past the gill opening, abruptly arching 

 above the gill chambers and continuing forward over the eye to the tip of 

 the snout. Just anterior to the gill chambers, two branches are given off, 

 one extending dorsally and meeting a like branch from the other side, the 

 other extending ventrally and forward along the side of the lower jaw. 

 Immediately behind the eye two more branches are given off, the dorsal 

 joining a corresponding branch from the other side, on the midline of the 

 back and the ventral branch passing under the eye and extending anteri- 

 orly along the edge of the upper jaw. Along the sides of the upper and 

 lower jaws and anteriorly on the head are large, prominent pores lying 

 over the various branches of the lateral line, and with well-developed 

 rims which extend above the surface. 



The color of the body is light yellowish, and there are no color mark- 

 ings. 



