Analysis of species 
Postocular luminous organ over 1/4 of eye; sub¬ 
ocular luminous patch long as eye, more than 
twice long as deep. 
1 . Head 3 3/4 to 3 4/5. -nige£. 
. Head 3 1/2. ---_indicus r . 
Postocular luminous organ smaller, less than 
1/4 of eye; depth of subocular luminous patch 
1/2 diameter of eue; head 3 2/5 to 3 2/3. 
danal. 
