166 BULLETIN 150, UNITED STATES NATIONAL MUSEUM 



lower lobe of six exserted rays, 1.5 in the head; seven widely spaced, 

 well-developed rays connecting the two lobes. Caudal connected 

 for nearlj^ one-third its length to the anal fin; the dorsal and anal 

 connections with the caudal more or less abrupt. 

 In life red, the vertical fins posteriorly black. 



PARAUPARIS ANGUSTIFRONS Garman 



ParalipaHs angustifrons Garman, 1899, p. 119, pi. 27, fig. 4; pi. 28, fig. 4; pi. 29, 

 fig. 3. 



Types.— Two; No. 28699, M. C. Z.; Albatross Station 3394, off 

 Panama, Pacific Ocean; depth 511 fathoms. Length 108 mm. 



Distribution. — Known only from the type locality. Two specimens 

 examined. 



Relationships. — Differing from P. dactylosus in the simple teeth 

 and oblique mouth and from all the other species in the large number 

 of pectoral rays. 



Description oj the types. — Body as in P. mento; deepest at the nape, 

 sloping down for a short distance and then retaining an even depth 



<7 



Figure 83.— Paraliparis angustifrons. Teeth from ttpe 



to near the middle of the body, much compressed. Head much 

 compressed; occiput slightlj^ swollen; profile convex; cheeks vertical. 

 Mouth not greatly enlarged, pointing obliquely upward, the angle 

 reaching beneath the eye; the maxillary reaching beneath the posterior 

 margin of the eye; teeth simple but with shoulder present, short, 

 rather slender, conical, slightly recurved, in narrow bands arranged 

 in oblique rows. Snout low, not projecting; lower jaw heavy; point- 

 ing obliquely upward; jaws equal or the symphysis of the lower 

 jaw projecting. Nostril without a tube. Eye moderate, 4 in the 

 head, black; pupil round. Gill slit uncertain. Pores not enlarged; 

 upper pore on the snout nearly on a level with the nostrils. No 

 prickles. Pyloric coeca 6. 



Upper edge of the pectoral on a level with the angle of the mouth; 

 the symphisis under the front of the eye; pectoral not divided to the 

 base, apparently with a very shallow notch as described; the lower 

 rays elongate. Caudal connected for at least one-half its length to 

 the anal. 



Color dusky, darker along the base of the fins; mouth and peri- 

 toneum black; stomach pale. 



