376 
II. 14 ° 38 ’ W. 61 ° 16; 150 to 1000 meters. 
Depth 6 to 8 l/2; head 6 to 6 l/2. e ye 5 to 6 in head; maxillary with 5 
or 6 erect and 7 or 8 oblique teeth; 2 pairs of teeth on vomer and 1 to 3 on 
each palatine; barbel l/2 to 2/3 of head, stem pigmented, bulb black basally 
and white terminally, long slender translucent terminal appendage with small 
white swelling at tip. 
Postocvilar luminous organ long as eye. Lateral series of photop ores 19 to 
f 
21 between gill opening and ventral, 11 or 12 between ventral and anal# Ventral 
series 31 to 34 between isthmus and ventral, 12 to 13 between ventral and anal, 
9 to 11 between anal and caudal. Blue luminous tissue as in Photon ectes caer ul- 
escens• 
D# 15 to 17; A# 18 or 19; no pectoral, ventral rays ?• Length 62 mm# with 
out caudal# (Regan and Trewavas#) 
Western Atlantic, Caribbean Sea# 
Photonectes caerulescens Regan and Trewavas 
Photonectes caerulescens REGAN and TREWAVAS, Danish Dana *txped• D^eanogr• Rep#, 
No.6, March 10, 1930, p#122, pi.12, fig.2, text fig. 116 -b. Caribbean Sea 
south of St# Croix N# 17 ° 13 1 64 58 1 , 2000 meters# 
D epth 7; head 7# %e 4 in head; maxillary with 9 erect and 17 oblique 
teeth; 2 pairs of teeth on vomer; 1 tooth on each palatine; barbel less than 
2/5 of head, stem black, slender translucent terminal part with white tip and no 
bulb • 
Postocular luminous organ 3/4 of eye. Lateral series of phofophores 21 
between gill opening and pectoral, 11 between ventral and anal# Central photo- 
