223 
Argyropelecus gigas Norman 
Argyropelecus gigas HOE 'M, Discovery Rep., vol.2, 1930, p.302, fig.10. S. 
32 45 ' I. 8 ° 47 650 meters; S. 2 ° 49 » 30 " W. 9 ° 25 « 30 ”, 
800 to 1000 meters. 
Depth 1 7/8; head 3 1/4 to 3 3 / 4 . °nout 3 l/lO in head from snout tip; 
eye 3 l/lO, subequal with snout; maxillary extends 1 3/4 eye diameters below 
eye, hind end midway in eye, expansion equals eye, length 1 l/5 in head from 
snout tip; no very long teeth in lower jaw; palatines toothless or very few 
feeble teeth anteriorly; preopercle with strong, straight or slightly curved 
downwa^ly directed seine at angle, above which much smaller spine directed 
• * 
outwards. Lower gill rakers 11* 
One opercular photophore, close above level of lower edge of orbit* Lat¬ 
eral series 8 between pectoral and ventral, first 2 higher and others subequal- 
-y * 
ly low* Central serios 2 before pectorals then 10 between pectoral and ven¬ 
tral, 4 between ventral and anal and 10 from anal origin to caudal of which 
6 over anal* 
fredorsal ridge rather high of 6 graduated spines up to last, which 3 l/2 
in head; D* 9, sixth ray 2 l/lO; adipose fin low, length 1 l/3; A. 13, 
third ray 3; caudal 1 7/8; least depth of caudal peduncle 2 l/5; pectoral 
1 o/4: ventral 6* 
Length 87 mm* (Norman.) 
Atlantic* 
Argyropelecus hemigyntnus Cocco 
Argyropelecus hemigymnus COCCO, Archiv. R, 
iviessma. - 
Bonapar lc y j G onogr. fauna 
Acad* Peloritano, 1829, p*146. 
Italica, vol.3, pt.l 1 esci, fasc. 
