449 
Depth 1 3/5 to 2 l/5 in head; tail 2 3/4 to 3 l/4 in rest 
of body; head 10 to 12 l/2 to caudal base, width 2 2/3 to 3. 
Snout 4 4/5 to 5 l/2 in head; eye 8 3/5 to 10 l/4, 1 l/3 to 2 
in snout, 1 to 1 2/5 in interorbital; mouth cleft 2 to 3; inter¬ 
orbital 6 l/8 to 8 l/2, slightly convex. Gill opening small, 
inferior, extends forward about last fourth in head. 
Dorsal and anal low folds, begin posterior to vent. 
Dark blackish brown, belly and lower surface dull brown, 
scarcely paler. Dorsal and anal sometimes with paler edges. 
