J30 
lings; interorbital 5 l/2 in head# 
Lateral photophores 27 between gill opening and ventral, 15 between ventral 
and anal; ventral series 7 between isthmus and pectoral, 27 between pectoral .and 
ventral, 15 between ventral and anal, 21 between anal and caudal# 
D* 25; A# 43; pectoral ray long as head and second very small ray in axis; 
ventral rays 7# 
Length 84 mm. without caudal. (Regan and Trewavas.) 
Atlantic• 
Eus tomias reg ani Norman 
Eusto mias (Eaploclonus) reganji NORMAN, Discovery Rep., vol.2, 1930, p.312, fig# 
22. S. 00 ° 56 1 7f# 14 8 * 30 ", 73 meters, Atlantic.* 
Depth 11 l/4; head 8 1/5. ^nout 3 l/6 in head; eye 5 l/2, 1 s/4 in snout; 
maxillary extends 2 3/4 eye diameters behind eye, length 1 l/lO in head; barbel 
4 l/lO long in body without caudal, small bulb oval, with 3 terminal filaments 
all longer than bulb, of which 2 posterior broader and anterior longer thread 
like with 3 minute short basal threads and slight terminal expansion, long fila¬ 
ment given off from ba.se of bulb with 2 basal svrellings and small terminal fila¬ 
ment; interorbital 5 in head. 
Rostorbital luminous organ very small. Lateral photophores 26 between gill 
opening and ventral, 12 between ventral and anal; ventral series 7 between 
isthmus and pectoral, 26 between pectoral and ventral, 12 between ventral and 
anal, 19 between anal and caudal# 
D# 22 (?), fin height 2 in head; A. 38, fin height 1 2/3; caudal 1 l/3; 
least depth of caudal peduncle 5; pectoral 2, rays 3; ventral rays 7, fin 
equals head. 
