* r.i 
• erminal part of barbel with 2 white bodies behind axis, terminal much 
larger, with series of 6 small ones in front of axis; no filament; 26 
or 27 phorophores in ventral series between pectoral and ventral, 
heteropogon. 
Terminal part of axis of barbel forming curve before luminous bulb, 
which has smaller luminous bodies basally, series of white luminous bodies 
anterior to axis; 26 to 29 photophores in ventral series between pectoral 
and ventral. 
1 
f. Barbel long as head, with 2 series of elongate white bodies not paired 
or regular and terminally 2 larger and longer on 1 side and still 
longer 1 on other side; no filament; 26 photophores in ventral series 
between pectoral and ventral globuli fer. 
f. Barbel twice long as head, basal 2/5 pigmented stem, terminal 3/5 with 
series of white bodies behind axis, last enlarged and in curve of axis; 
fETr 27 
no filament; 26photophores in ventral series between pectoral and 
ventral biseriatus . 
3 
f. Barbel 2 to 2 l/2 times head, unpigmented except at base, large white 
bulb in curve of axis, with some small ones basal; terminal filament 
present; 27 to 29 photophores in ventral series between pectoral and 
ventral albibara. 
End of barbel axis inclined forward, single luminous body subterminally in 
broad membranous expansion; barbel 2 to 3 times head, unpigmented except 
at base; 27 or 28 photophores in ventral series between pectoral and 
ventral. 
1 
Luminous bulb of barbel small, membranous expansion produced, tapering 
