parallel short marginal striae in male, to 19 in female. 
Dorsal origin about midway between hind eye edge and caudal 
base in male; midway between pectoral origin and caudal base 
in female. Pectoral 1 1/8 to lz in head. Ventral with second 
ray elongated. Male with first and second anal reys prolong- 
ad; without appendages, ends with cutaneous hood, spineless, 
and first ray with several sigments terminally forming acute 
serrations. 
Color in alcohol: dull brownish, paler below, Scales 
edges on back mostly darker than ground color. Male with at 
least 7 narrow dark vertical cross-bars or lines, and above 
black blotch little smaller than eye near pectoral end, 
sometimes ocellate or with pale edge. Blackish transverse 
bar on dorsal sub-basally and sometimes several darker 
blotches above . Adult male with caudal edges above and 
below narrowly blackish, especially about rudimentary rays. 
Female also shows blackish blotches on back behind pectoral 
end or close before dorsal, and another from ventral axilla 
toward anal origin, latter not seen-in male. Both sexes us- 
ually show 2 or 3 dark cross-bars on caudal. 
conspicuous markings or only faint cross-bars 
and caudal. Males 33 to 48 mm., females 47 to 60 mm, 
smples from Rio Janeiro. 
We have also compared exemples in the Academy from Sur- 
$nam and Porto Rico. From the last locality males often show 
12 to 16 latersl dark cross-lines and caudal base with upper 
and lower caudal peduncle edges with more or less blackish 
broadly 
