590 
Depth 2 l/5 to 2 2/3 in head, 12 l/2 to 18 3/4 to caudal 
base; head 5 2/5 to 7, 2 l/5 to 2 3/4 to vent, width 3 to 3 l/3 
in its length; combined head and trunk 1 l/2 to 1 3/4 in tail 
to caudal base. Snout 3 2/5 to 3 2/3 in head; eye 5 l/2 to 7, 
1 3/4 to 2 in snout, greatly exceeds or 1 l/4 to 1 l/2 times 
interorbital; mouth cleft reaches opposite hind pupil edge, 
2 l/2 to 2 4/5 in head; teeth large, strong, simple, rather 
large patch on premaxillary exposed, in rather narrow bands in 
jaws with outer row enlarged and flaring little outward; 2 
rather large prominent simple conic teeth on vomer; tongue free; 
interorbital 8 3/5 to 9, convex. Gill opening 5 l/8 to 7 4/5, 
below pectoral base. 
Lateral line distinct, axial along side. 
Dorsal origin over gill opening to first fifth of depressed 
pectoral, fin height 3 2/5 to 4 l/2 in head; anal fin height 4 
l/2 to 4 4/5; caudal 2 l/5 to 6 1/3, pointed, small or long, 
pectoral 3 to 3 l/3. 
Largely uniform brown, under surface of head and branchio- 
stegal paler to whitish. Iris gray white. *‘ins all pale brown¬ 
ish, rays of dorsal medially more or less grayish; anal whitish 
only fin more grayish medially, becoming dark neutral gray 
posteriorly on fin, inclusive of caudal. •Sectoral oaltj or 
whitish * 
Related to Bathycongrus nasicus but differing in proportions, 
larger and stronger dentition. Premaxillary teeth more extended 
x 
along lower profile of snout than in B* roosenda ali.^ 
