979 
An^yyuB of species 
a-*-. Rataboura . Dorsal and anal with visible rays 
anteriorly lower or scarcely more than low 
fold medially. 
b 1 . Distance between vent and anal origin some¬ 
what more or much less than half head 
length. 
c 1 . Distance of dorsal origin from anal ori- 
gin much less than half of head length. 
1 
d , Distance between anal origin and vent 
1/2 to 3/4 in head; pectorals 5 to 7 
in head. 
e . Vomerine teeth biserial; distance be¬ 
tween anal origin and vent 1 1/3 in 
head. ca gayana. 
e 2 . Vomerine teeth uniserlal; distance be 
9 
-tween anal origin and vent 1 3/4 
to 2 in head. raltaboura. 
d^. Distance between anal origin and vent 
1/4 or less in head; pectoral 4 to 
over 5 in head, floresiana. 
c . Distance of dorsal origin from anal ori¬ 
gin 1/2 of head; distance between anal 
origin and vent less than 1/3 of head; 
pectoral 7 1/2 in head. robusta. 
