240 
^enus TRIOOEOTfC : ?A Reran and Irewavas 
Trig on e lampa PEG AIT mid TRY-1 AY AS , Danish Dana Exped. Oceanogr . Rep., bo .6, 
Ranch TO, 1930, p .55 * Type r? r ' gonolampa miriceps REGAM and TRE7AVAS, mono- 
typic• 
Mouth cleft straight. x 'remaxi 11 anies and lower jaw with fangs of moderate 
size, curved, pointed, fixed; maxillary with few erect and series of snail 
oblique teeth; 1 or 2 pairs of teeth on vomer and long palatine series of 13 
teeth on each side; 8 pairs of teeth on basibranohials; small teeth on gill 
arches* Postocular luminous organ close to eye: posterior small rounded lum¬ 
inous patch and above large triangular one extending backwards from eye * Dorsal 
v* 
ays 18. Anal rays 19. Dorsal and ahal fins begin in same vertical* Sectoral 
rays 5, outermost swollen at base* Central rays 7, nearly median* 
Trigonolam pa miri ceps REGAN and TREITAYAS 
Trl gono lamp a miriceps R EGAIN and TRIETAVAS, Danish Dana Exped* Oceanogr. Rep *, 
Ho.6, March 10, 1930, p.55, pl.l, fig.2. H. 48 ° 42 T TT. 12 20 f , in 1860 
meters* 
Depth 8; head 5 1/3. %e 5 in head;- barbel 3/4 of head, tapering, ending 
in small bulb with short terminal filament. 
Postocular luminous organ l/3 of head. Lateral photophores 22 between gill 
opening and ventral, 26 between ventral and anal. Ventral series 11 between 
isthmus and pectoral, 22 between pectoral and ventral, 24 between ventral and 
anal, 11 between anal and caudal. 
D. 18; A. 19; pectoral rays 5; ventrals slightly nearer base of caudal 
than snout end. w ngth 105 mm. without caudal. (Regan and Trewavas.) 
Atlantic, south of Ireland. 
