~2&4r. 
L l 
Hymenocephalus longifilis VAILLANT, Expid. Sci. Travaille ur et 
jalisma£, Poiss., p. 218, pi. 23, fig. la - c, 1888 (coasts of 
Morocco] coasts of Soudan; 1084 to 1635 meters). 
G^oji^ longifilis GILBERT and HUBBS, Proc. U. S. Nat. Mus., vol. 
51, p. 142, 1916 (reference); Bull. U. S. Nat. Mus., no. 100, 
vol. 1, p. 393, 1920 (diagnosis in key). 
Bathygadus arcuatus (part) GOODE and BEAN, Oceanic Ichth. p. 421, 
1895 (specimen from off Martinique, 476 (fathoms). 
Depth 7 1/2 to 7 7/8; head 5 2/3 to 5 3/4, width 2 l/8 to 2 l/3. 
Snout 3 l/3 to 3 2/3 in head from snout tip; eye 4 l/2 to 5, 1 1/5 to 1 2/5 
in snout, 1 to 1 l/6 in interorbital; maxillary reaches opposite hind eye 
edge, length 1 2/3 to 1 3/4 in head from snout tip; mandibular barbel 2 l/2 
to 2 2/3, slender; teeth minutely villiform, in rather narrow bands in jaws 
with lower band narrower/ interorbital 3 1/4 to 4, low, slightly convex. Gill 
rakers o or 7 + 25 to 28, on first arch, lanceolate, slender, 1 l/3 in eye; 
gill filaments l/5 of gill .rakers. ' 
Scales 123 to 142 in median or axial lateral series, of which 21 
1 orward of vent; 6 above, 12? below, 25 predorsal. Scales apparently equally 
large on head as on body, all very caducous or fallen. Scales thin, cycloid, 
without striae; circuli moderate, converge to angles on median basis axis. 
