529 
f2. Teeth acicular, upper not extended con¬ 
spicuously forward beyond mandible; vom- 
erine teeth well developed; head small 
much less than trunk; eyes large; dorsal 
above or nearly above pectoral little 
premedi an • A ri o soma« 
f' J . Teeth acicular, upper extended forward be¬ 
yond tip of closed mandible; head large, 
subequal with trunk; eyes smaller; dor¬ 
sal above or nearly above pectoral base; 
vent far advanced. Bathycongrus. 
d^. Teeth in bands in jaws, some of anterior outer 
ones directed or flaring somewhat outward; 
jaws elongated, upper slightly notched sub- 
terminally. Congrhynchus. 
d c . Teeth uniserial in jaws; tail less than rest 
of body; front nostrils subtubular. 
Coloconger. 
Front nostrils not tubular, as simple rounded 
pores. 
g^. Teeth in jaws and on vomer. 
1 
h . Dorsal begins over or behind pectoral 
base: tail tapering, slender; color 
Uroconger. 
uniform. 
