Analysis of genera 
Pectorals present# 
Body greatly elongate, depth 20j gill opening long, 
lateralj mouth not extending behind hind eye edge; 
dorsal and anal begins in anterior part of trunk# 
Snout snipe-like beark, Jaws long, arched and 
slender, comprise greater part of head, abrupt¬ 
ly contracted before eyes; teeth all minutely 
fine; pectoral well developed; gill openings 
clearly separated at throat# 
d # Nemichthyinae# Caudal with filament; dorsal 
begins on head; vent below pectorals# 
1 
6 # Later al line in 3 rows of small pores dis- 
t 
posed in quincunx, Nemlchthys, 
“ 
e # Lateral line without pores# 
f^. Teeth blunt# Nematoprora# 
2 - 
f # Teeth pointed# Cercomitus# 
Labichthylnae, Caudal without filamentj lateral 
line with 1 row of large pores; dorsal begins 
above or behind pectorals# 
2 
• Snout beak like, jaws applied against one another, 
much less than head, progressevely contracted 
before eyes; caudal without filament# 
