291 
Postocular luminous organ close to eye, generally longer. .Lateral p} oto- 
phores 33 to 36 between gill opening and ventral, 16 or 17 between ventral arid 
anal, not in groups except 4 or 5 behind opercle. Ventral series 10 or 11 
»• 
(l + 2-f3 44orlf 3 43«f4) between isthmus and pectoral, 32 to 35 between 
pectoral and ventral (linear gro ps 1 to 5), 14 to 16 between ventral and anal 
general posterior linear group 5 to 7), 13 or 14 between anal and caudal with 
middle ones higher. 
N._- 
♦ . 
D # 13 or 14, begins above or just behind ventral, ends oefore anal; A* 14 
to 17; pectoral 7; ventral 7,- distant from caudal 1/2 to 2/3 that from snout 
« 
% 
end. length 300 mm. wihtout caudal• ‘(’Regan.and Trewavas.) 
Atlantic. 
Genus RPL4DI}fhS?HFS Reran end Trewavas 
i w 
Rhadi nesthe s REGAN and TRA7AVAS, Danish Dana Bxped. Oceanogr. Rep., No.5, Hay 30, 
9 
1929, p.29. Type Astronesth.es decimus ZUGITAYER, monotypic. 
Body greatly elongate. iVA outh cleft straight. Teeth in jaws unequal, with 
t 
small curved fangs mixed with much smaller teeth. Premaxillaries probably ex- 
tend nearly to •mouth angle. Maxillary short, ith minute, all t ves 3 .1 teeth 
mim 
Pair of teeth on vomer and series on each oalatine. Jeeth on gill, arches small, 
t i 
i 
in pairs, none on ceratohyal. Rost-temporal present, ^tomach large. ostocul- 
0 . I 
. 4 * I 
ar luminous organ single. 
V-* O . . 
Rha dinesthes de cimus (Zugraayer) 
Astronesthea decimus ZNG^IAYER, Bull. Inst. Oceanogr* onaco. No. 193, 1911, p#6.; 
. o 
R6s. Camp. Sci. ’onaco, vol.35, 1911, p.80, pl.3, fig.6 (type from 1 . 44 
o 
24 1 W. 11 
36 4900 meters). 
