REVISION OF THE FISH FAMILY LIPARIDAE . 179 



front of the gill slit; distance from tip of lower jaw to vent 5.5 in the 

 length of the body. 



Flesh pinkish, dotted; mouth and gill cavity pale, dotted; skin 

 thin, transparent; stomach and peritoneum black. 



Remarks. — Mouth and gUl cavity sometimes blackish ; peritoneum 

 sometimes only heavUy pigmented, possibly black in hfe. The 

 Karluk specimens appear to have the mouth more horizontal and 

 may belong to a different species. 



PARALIPARIS MENTO Gilbert 



Paraliparis menlo Gilbert, 1891, Proc. U. S. Nat. Mus., vol. 14, p. 562. — 

 Jordan and Gilbert, 1898, Bull. U. S. Nat. Mus., No. 47, p. 2142.— Gil- 

 bert, 1915, p. 354. 



Type.—^o. 44298, U.S.N.M.; Albatross Station 3071, coast of 

 Washington; depth 685 fathoms. Length 87 mm. 



Distribution. — Off Washington and California. Type examined. 



'A ir 



Figure 95.— Paraliparis mento. Ttpe, showing pecuuar shape of head 



Relationships. — Not closely related to any known species; resem- 

 bling P. cepTialus; distinguished from the latter species by the more 

 elongate body, the extremely low pectoral, and in minor characters. 



Description of type.— Dorsol 57; anal 52; pectoral 16; caudal 4; 

 pyloric coeca 8. Depth 6; head 5.7 Eye 3; gill slit 2.5. 



Body slender, compressed, deepest at the union with the head, 

 dorsal outline descending rapidly for a short distance, attenuate 

 posteriorly; visceral cavity short; distance from tip of gUl flap to 

 the posterior end of the visceral cavity equal to the snout and one- 

 half the eye. Head deep, compressed; occiput swollen; cheeks 

 vertical, profile from upper lip to occiput almost straight. Mouth 

 oblique, large; the angle beneath the e5^e; maxillary reaching beneath 

 the posterior margin of the pupU, a little more than one-half the head. 

 Teeth simple, rather slender, with a broad base, lanceolate, recurved, 

 in a narrow band in the lower jaw, arranged in two or three very 

 oblique rows; inner teeth larger and recurved; teeth in the upper jaw 

 in a moderate band, the oblique rows close set. Snout retreating from 

 the upper lip; lower jaw heavy, projecting upward; the symphysis 

 very prominent. Nostril apparently without a tube projecting above 



