201 
Genus ARGYRIPNITS Gilbert and Cramer 
Argyripnus GILBERT and CRAMER, Proc. U.S.Hat. Hus., vol.19, 1897, p.414. 
Type Argyripnus ephippiatus GILBERT and 'CRAHER, monotypic. 
Body much compressed, oblong or elongate, tapers gradually to slender tail. 
Head longer than deep, without spines, bones thin and flexible. Eye large • 
Premaxillary, maxillary and mandible with single series of sharp, needle-like 
on 
teeth; 1 or 2 small teeth each side of vomer; some very small teeth^each 
palatine. Less than 20 lower gill rakers. Scales very thin, flexible, cycloid 
deciduous. Large (double,! luminous organ on preopercle; lateral series of 
photophores from ventral and anal continuous with series above anal. Dorsal 
insertion premedian* 
• * 
ANALYSIS OF SPECIES 
1 
a. Head 3; eye 2; interorbital 4; gill rakers 5 4 15 
ephippiatus. 
2 " 
a. Head 2 2/3; 2 2/5; interorbital 8; gill rakers 4+13 
irxdescens . 
1 
Argyripnus ephippi atus Gilbert and Cramer 
Argyripnus ephippiatus GILBERT and CRAMER, Proc. U.S.Nat. Mus., vol.19, 1897, 
p.414, pi.39, fig.2. N. 21 0 12 1 W. 157 0 49 1 , 295 fathoms. - GILBERT, 
Bull. L.S.Fish. Comm., vol.23, pt.2, 1903 (1905), p.SOl (off Maui; Oahu; 
216 to 283 fathoms)* - FOWLER, Mem. Bishop Mus#, vol#10, 1928, p.35 
(compiled)# - NORMAN, Discovery Hep., vol.2, 1930, p.300 (note). 
Depth 3 2/3; head 3, width 2 l/2. Sno\rt 4 7/8 in head from snout tip; 
eye 2, greatly exceeds snout or interorbital; maxillary reaches opposite 
hind eye edge, expansion 2 l/2 in eye, length 1 l/3 in head from snout tip; 
