256 
rr 
o 
e. .Anal 13; barbel shorter than head, tapering 
richardsoni. 
2’ 
b. Dorsal 10 to 13; caudal photophores 10 to 13, 2 or 3 (sixth to ninth) 
above level of others; eye less 3 in head. 
1 
f. Anal 19 to 22; ventral photophores 17 or 18 between pectoral and 
ventral, 18 to 20 between ventral and anal martensii . 
2 
f. Anal 19 to 20; ventral photophores 18 to 20 between pectoral and 
ventral, 21 to 24 between ventral and anal lucifer. 
* m v ■■ m * mm ■ m - — — m. -•* 
3 
f. Anal 12 to 16 ijimai » 
rr 
o 
b.’ Dorsal 12; Anal 20; eye 1/3 of head (specimen 115 mm.) 
c hry s o ph ekadion. 
V i- 
i ^ I W* I*- -• - » ■ » • o ■ 
*3 
s. . Dorsal 15 to 17, begins above ventrals and ends before anal; Anal 16 to 19 
ventral photophores 17 to 19 between pectoral and ventral, 27 or 28 between 
ventral and anal gemruifer # 
, 4 
a • Dorsal 14 to 21, begins above or behind ventrals, extends above anal origin 
or nearly, or beyond; Anal 12 to 17; ventral photophores 5 to 19 between 
pectoral and ventral, 8 to 21 between ventral and anal. 
1 
g # Ventral photophores 17 to 19 between pectoral and ventral, 17 or 18 
between ventrals and anal. 
1 
h. Barbel slender, black, with tapering “white tip* 
. cyclophotus* 
o 
£r 
h. Barbel stout, compressed, white neopogon . 
2 
Ventral photophores 12 to 15 between pectoral and ventral, 17 to 21 
between ventral and anal. 
1 • ' 
i. Dorsal 14 to 13; adult with luminous patch on shoulder 
niger« 
