793. 
Nematonurus pectoralis Gilbert and Hubbs, Proo. U. S. Nat., Mus., 
mrnmrn** n mm mu mm ... »■ ■ ■mm — * 1 —mu v an mmmn ««■ —— mm\ mm 
vol. 51, p. 161, 1919 (off south east Saghalin Island; east 
coast Saghalin Island; off southern Hokkaido; 309 to 510 meters). 
Macrurus ( Nematonurus ) magnus Gill and Townsend , Proc. Biol. Soc. 
Washington, vol. 11, p. 234, 1897 (type locality * Bering Sea 
south west of Pribilof Islands. 
Depth 6 7/8 to 7 3/4* head 4 4/5 to 5 2/5, width 2 to 2 l/4. 
- [% - -V / ‘ . >■ -v : i,_ . > ' - f\ 
Snout to eye 3 4/5 to 7 4/5 in head; eye 5 l/2 to 7, 1 3/5 to 1 
4/5 in snout, 1 2/5 to 2 in interorbital; orbit 4 l/2 to 4 2/3 in 
- - ,> 
head, equals snout, 1 l/5 to 1 l/4 in interorbital; maxillary 
reaches well beyond eye, length from front end 2 l/5 to 2 l/3 in 
head; teeth simple, conic, erect, anteriorly 3 or 4 irregular ser- 
ies narrowing posteriorly and lower teeth uniserial; interorbital 
3 3/4 to 4 in head, low, nearly level. Gill rakers 3+12 short 
spinescent tubercles on second arch, 1/fc, of gill filaments, whioh 
1 l/2 in eye. 
Scales 162 to 166 in lateral line of which 30 forward of vent; 
' r ‘ ’ 't; . f i * , . 
9 or 10 above, 23 below, 80 predorsal of which 34 forward till oppo¬ 
site hind eye edge. Scales on head all smaller than on body. Scales 
with 5 radiating apical striae, each of which not extended beyond 
^ • 
scale edge; circuli moderately,coarse. 
D. I, 9_ 100 to 128, first branched ray 2 1/8 to 2 l/3? in head; 
