150 
1 
d. Posterior upper teeth little inclined, with larger ones interspersed; 
lateral photophores 7, livida . 
2 
d. Posterior upper teeth well inclined with larger ones interspersed; 
lateral photophores 7-^0, 7 1, 7 4 2, 7^3. 
1 
e. No canines in front of jaws. 
1 
f . Uniform brownish black. 
1 
g. Size larger; oceanic, microdon . 
2 
g. Size small; Mediterranean pygma ea# 
*2 
f• YChitish or unpigmented median area before dorsal and anal 
pallida. 
2 
e. Three pairs o? lower front canines canina. 
Z 
d. Posterior upper teeth well inclined, uniformly large. 
1 
h. Lateral photophores 7 X 2 acclinidens . 
~2 
h. Lateral photophores 6+2 atraria . 
2 
c. Ho photophores; blackish • obscura. 
Cycl othone signata Garman 
Cyclothone signata GARMAiT, Mem. Mus. Comp. Zool., vol.26, 1899, p.246, pl.J, 
fig.3. N, 6 ° 21 ' W. 30 41 1 , 1763 fathoms. Gulf of Panama. - N0P1L4H, 
Discovery Rep., vol.2, 1930, p.286 (reference). 
Deuth 5 3/4; head 4. Snout 6 in head from shout tip; eye 14 l/2, 24/5 
in snout; maxillary extends 10 eye diameters behind eye, length 1 1/8 in 
head from snoiit tip; maxillary teeth shorter, more numerous and more erect 
than in Cyclot hone acclinidens, interorbital low. 
Ventral series of photophores 1 before pectoral origin, 13 between pectoral 
and ventral, 4 between ventral and anal, 16 between anal origin and caudal 
