578 
nij^ponlc^ (Jordan and Gilbert) 
Regani a nipponica JORDAN and GILBERT, Bull. U. S. Fish Comm., 
vol. 22, p. p. 605 , fig., 1902 (August 1904) (type locality: 
Suruga Bay, 207 to 250 fathoms). —JORDAN, TANAKA, SNYDER, 
Journ. College Sci., Tokyo, vol. 33, p. 410, 1913 (compiled). 
Bathygadus nipponicus GILBERT and HUBBS, Proc. U. S. Nat. Mus., 
vol. 51, p. 142, 1917 (reference); Bull. U. S. Nat. Mus., no. 
100, vol. 1, p. 380, 1920 (diagnosis in key). 
Depth 7 3/5; head 5, width 2 l/lO. Snout 3 3/4 in head from 
snout tip; eye 5 1/5, 1 l/2 in snout, 1 l/2 in interorbital; maxillary 
reaches little beyond eye or opposite hind edge of orbit, length 1 9/l0 
in head from snout tip; no barbel; teeth villiform, even, in broad bands 
in jaws, upper band wider or of 8 to 10 irregular rows transversely and 
lower of 7 or 8 rows; interorbital 3 l/2 in head, low, unevenly convex. 
Gill rakers 5 + 18 on first arch, lanceolate, 1 l/4 in eye; gill filaments 
3/5 of gill rakers* 
Scales 148 in lateral line, of which 27 forward of vent; 6 above, 
16 below, 27? predorsal* Scales moderate, partially adherent, though many 
fallen* Scales cycloid, simple, without striae; circuli fine, numerous, 
each forms angle medially at horizontal axis basally* 
