1041 
2 
b . Prlodonophls. Head less than 9; some of tee¬ 
th finely serrated on both edges of poster¬ 
iorly only. 
1 
s . Vomerine 
teeth bi¬ 
serial or 
uniserial. 
1 
t . Color uni¬ 
form. 
u 1 . Tail 
taper¬ 
ing, 
longer 
than 
rest 
of 
fish. 
a ngustlc audata. 
u^. Tall 
scar¬ 
cely 
taper¬ 
ing, 
short 
er 
than 
rest 
I 
of 
fish. 
