1945 
3, • Dorsal origin postmedian; 
5 ventral photophores. — 
-,- nigrescens. 
„2 
SL • Dorsal origin median or fre- 
median. 
£. • Scales 30 to 33 in lateral 
line; anals 6 «{• 5 (4 
precaudals); eye 4 to 
4 l/3; Dorsal 12; Anal 
14. 
- mexicanus. 
• Scales 33 or more; Dorsal 
12 to 19 (12); Anal 14 to 
25 (over 15). 
1 
£ , Ventral spots 5. 
% 
JL * Supraanals angulate. 
u% First supraanal level 
with second, above 
or before fourth 
ventral; fourth 
pectoral below pec¬ 
toral fin base; 
anals 6 5 (4 pre¬ 
caudals) .- microchir. 
