172 BULLETIN 150, UNITED STATES NATIONAL MUSEUM 



lower lobe of nine rays; none of the rays are free. Uniformly black, 

 including mouth and bronchial cavity. 



PARALIPARIS MEMBRANACEOUS Gunther 



Paraliparis membranaceous Gunther, 1887, p. 69, pi. 12, fig. D. — Garman, 1892, 



p. 83. 

 Hilgendorfia membranaceous Goode and Bean, 1895, p. 280. 



Ty^pe. — British museum, Challenger Station 310, off Cape Saint 

 Vincent; depth 400 fathoms. Length 60 mm. 



Distribution. — Known onlj'- from type locality. Not examined. 



Synopsis. — Dorsal about 70; anal about 70; caudal 2 or 3. Gill 

 slit above base of pectoral fin. Teeth simple. A broad median dorsal 

 fold arises from the top of the snout and is continued backward; ante- 

 rior dorsal rays buried in this fold; pectoral broad, delicate, fringed. 

 Body pale; peritoneum black. 



PARALIPARIS BATHYBIUS (Collett) 



Liparis bathybii Collett, 1878, p. 32; 1880, p. 52, pi. 2, fig. 14.— Lutken, 1898, 



p. 17.— Collett, 1905, pi. 2, fig. 9. 

 Paraliparis bathybius Gunther, 1887, p. 68, pi. 12, fig. C. — Garman, 1892, p. 81. 



Type. — Female; Arctic Ocean, west of Bear Island, Norwegian 

 North Atlantic Expedition, 1878, Station 312; depth 658 fathoms. 

 Length 208 mm. 



Distribution. — Arctic Ocean, region of the Faroe Island. No 

 specimens examined. 



Relationships. — P. iathyhius agrees with P. holomelas in the reduc- 

 tion of the middle pectoral rays and the coloration. 



Remarlcs. — A number of specimens have been recorded and de- 

 scribed as belonging to the species. The descriptions of these latter 

 specimens differ greatly from the original description as regards the 

 pectoral fin.*^ 



Synopsis. — Dorsal 59; anal 51; pectoral 19; caudal 8. Teeth 

 simple. Gill slit probably above base of pectoral. Pectoral fin 

 deeply notched; the presence of rudimentary rays connecting the 

 two lobes uncertain. Color black. 



PARALIPARIS AUSTRALIS Gilchrist 



Paraliparis australis Gilchrist, 1904, p. 107, pi. 7. 



Type. — Two; off Cape of Good Hope; depth 300 fathoms. Length 

 50 mm. 



Distribution. — Known only from type locality. No specimens 

 examined. 



Relationship. — P. australis resembles P. garmani and P. bathybius 

 of the North Atlantic in the loss or great reduction of the rays con- 

 necting the two lobes of the pectoral fin. It can readily be distin- 



'' See Gunther, Lutkin, and Collett. 



