422 
Analysis of species 
"! 
a • No concave disk between pectoral fins, 
t) * Gill opening with free marginal lobes; 
dorsal begins behind or opposite vent, 
cl. On Back 14 brown bands, lost on dor- 
dal; sides of abdomen with numerous 
vertical narrow brown bars, anter¬ 
iorly crossed by 4 or 5 broad car¬ 
mine bars below. -----parvulus• 
c^. Six dark median blotches along side of 
trunk and front part of tail. 
^jrufus. 
b2. Gill opening without free marginal lobes; 
dorsal begins close behind head. 
dorsalis. 
a2. Small concave disk between pectoral fins. 
cuyieri. 
