Body elongate, cylindrical, compressed posteriorly, 
narrow and short tail tanerin^ tn nni«f 
iJ - taperln b to point, a ye small, covered by 
skin. Ups well formed, rather broad. Teeth small, in bands 
on premaxillaries, dentaries, palatines and pterygoids. Front 
nostrils small pores near snout end in upper lip, hind ones 
oval, larger, above front part of eye. dill membranes con¬ 
fluent, joined with isthmus, sill openings nearly transverse 
ventral slits, only superficially confluent into single aper¬ 
ture. Four branchial arches, 3 anterior with vestigeal gills 
and 3 moderate slits between. No scales. Dorsal and anal low 
rayless folds of skin, confluent with small caudal, which has 
few rays. No paired fins. 
Apparently a single species. 
