178 



BULLETIN 150, UNITED STATES NATIONAL MUSEUM 



Distribution. — Coast of California and northward to Bering Sea; 

 Albatross Stations 2892, 3112, 3126, 3330, 3348, and from Karluk; 

 depth 284-455 fathoms. Sixteen specimens examined. 



RelationsMps. — Not closely related to any known species. For 

 comparision with P. mento see description of the latter species. 



Description of cotypes. — No. 21, S. U. Z. M. Body deep at the 

 union with the head; the dorsal outline descending rapidly to the 

 attenuate tail; distance from tip of opercle to posterior end of body 

 cavity equal to the snout and orbit. Head 4.5 in the body length, 

 deep, compressed; cheeks vertical; occiput greatly swollen. Mouth 

 at an angle, pointing obliquely upward; maxillary reaching beneath 

 the posterior margin of the orbit. Teeth simple, slender, sharply 

 pointed, recurved, in narrow bands; the inwardly diverging rows very 

 oblique and difficult to count. Snout short, rising abruptly to the 

 nasal region; jaws nearly equal; the symphysis of the lower jaw sharp, 



Figure 94. — Paraupakis cephalus. Teeth from specimen No. 5785, Stanford 

 University Zoological Museum 



projecting. Nostril without a distinct tube. Eye moderate, 4 or 

 less in the head. Gill slit described as being above the base of the 

 pectoral, in all our specimens the membrane is torn. Pores appearing 

 enlarged when the sldn is absent; only one suprabranchial pore pres- 

 ent. No prickles. Pyloric coeca 9, on the left side. 



Origin of the dorsal over the end of the first third of the pectoral 

 fin. Caudal very slender, elongate, of three rays, equal to the snout 

 and orbit, connected for one-third its length to the anal. Pectoral 

 low, the upper edge below the orbit and above the angle of the mouth, 

 deeply notched but not to the base; the lower lobe consists of three 

 exserted half free rays; the upper lobe consists of eight rays which 

 form the body of the lobe and three shortened, not rudimentary, 

 widely spaced rays which span the notch; these three rays are equal 

 to one-half the length of the longest ray in the upper lobe; symphysis 

 of the pectoral under the posterior border of the orbit. Vent just in 



