ARGENTINIDAE 377 



Depth of body 5I to 5f in the length, length of head 4I to 4f . Diameter of eye 2} 

 to 2| in length of head, equal to or less than postorbital part of head ; interocular width 

 3 to 3I, interorbital width 6f to 7. Dorsal 9-1 1 ; origin nearer to end of snout than base 

 of caudal. Anal (21) 22-25 ! origin nearer insertion of pelvic than base of caudal, 2| to 

 3 1 times as distant from end of snout as from base of caudal ; length of base 4^ to 5^ 

 in that of fish. Pelvics 9- or lo-rayed, inserted below middle or posterior part of dorsal. 

 39-44 scales in a longitudinal series. 



Described from eight specimens, 35 to 200 mm. in length, including the type of the 

 species (105 mm.). 



Bathylagus benedicti, Goode and Bean. 



Goode and Bean, 1895, Ocean. Ichth. p. 55, fig. 64; Jordan and Evermann, 1896, Bull. U.S. 

 Nat. Mus. XLVii (i), p. 529. 



? Bathylagus elongatus, Roule, 1916, Bull. hist. Ocean. Monaco, 320, p. 8; 1919, Res. Camp. Sci. 

 Monaco, lu, p. 22, pi. i, fig. 2. 



St. 72. I. vi. 26. 41° 43' 20" S, 42° 20' 40" W. 4J m. net, horizontal, 2000 (-0) m. : 3 specimens, 

 120-135 mm. 



St. 151. 16.1.27. 53° 25' 00" S, 35° 15' 00" W. 4i m. net, horizontal, 1025-1275 m.: I specimen, 

 115 mm. 



Very close to the preceding species. Depth 5 to 5f in the length, length of head 

 4-1- to 4|. Diameter of eye a little more than 2 in head, greater than postorbital part of 

 head; interocular width 2f to nearly 3, interorbital width 5I to 6. Dorsal 9 or 10. Anal 

 about 19; origin 3 to 3-g- times as distant from end of snout as from base of caudal; 

 length of base 5f to 5I- in that of fish. 



Described from four specimens, 115 to 135 mm. in length. 



Hab. North and South Atlantic. 



Bathylagus pacificus, Gilbert. 



Gilbert, 1890, Proc. U.S. Nat. Mus. xni, p. 55; Jordan and Evermann, 1896, Bull. U.S. Nat. 

 Mus. XLvn (i), p. 530; Gilbert, 1915, Proc. U.S. Nat. Mus. xlviii, p. 312. 

 Bathylagus borealis, Gilbert, 1896, Rep. U.S. Fish. Comm. (1893), p. 402 ; Jordan and Evermann, 

 1898, Bull. U.S. Nat. Mus. xlvii (3), p. 2824. 



Hab. Pacific coast of North America from the Bering Sea to southern California. 



Bathylagus euryops, Goode and Bean. 



Goode and Bean, 1895, Ocean Ichth. p. 55, fig. 63; Jordan and Evermann, 1896, Bull. U.S. 



Nat. Mus. XLvn (i), p. 529. 



Bathylagus euryops latifrons, Lonnberg, 1905, Wiss. Ergebn. Schwed. Siidpolar-Exped. V (6), p. 67. 



? Bathylagus atlanticus, Holt and Byrne, 1906, Fisheries, Ireland, Sci. Invest. 1905, n, p. 6, pi. i, 



figs. 3-4. 



? Bathylagus euryops. Holt and Byrne, 191 3, ibid. 1912, i, p. 24, fig. 10. 



St. loi. 15. X. 26. 33° 50' to 34° 13' S, 16° 04' to 15° 49' E. 4I m. net, horizontal, 850-950 m. : i 

 specimen, 185 mm. 4J m. net, horizontal, 1410-1310 m. : i specimen, 152 mm. 



