458 
m 2 . Tongue narrow, adnate to 
mouth floor or only tip 
slightly free; canines 
anteriorly in jaws and 
on vomer; branchial 
openings in pharynx wide 
slits* Muroene socidae« 
. Tongue not free; teeth few, 
acute, uniserial; branch¬ 
ial openings in pharynx 
narrow slits, 
* 
Neenchelyidae. 
**m*m*rn* ~m ■■ » 11 m*~m*m m* tm i • w o nn 
. 
1'• Body elevated, deepest pre- 
medially; snout long, al¬ 
ternated . 
Sauromuraenesocidae , 
k 2 , No pectorals, 
n 3 -» Snout very short and 
blunt, mouth termin¬ 
ally superior; tail 
without terminal fil¬ 
ament . 
d » Front nostril minute, 
concealed; hind nost¬ 
ril narrow slit near 
eye; teeth small in 
bands, 
Heterocongridae• 
