360 
spot 5 minute luminous tody between terminal part of bulb end axis. 
Postocular luminous organ little less than eye. Lateral series of photo- 
phores 26 or 27 between gill opening and ventral, 13 between ventral and anal. 
Ventral series 8 4 2 between isthmus and pectoral, 27 or 28 between pectoral and 
ventral, 13 or 14 between ventral and anal, 9 or 10 between anal and caudal. 
t 
D. 14; A* 18; pectoral rays 5 or 65 ventral rays 7. 
Length 82 mm. without caudal. (Regan and Tremvas.) 
Western Atlantic, Caribbean Sea. 
1 anost om ias barton-beani (Parr) 
Melanostomias barton-beani !(PARR) 
B ellio st omias barbatum (not LOWE) GOODE and BEAN, Oceanic Ichthyology, 1895, 
p.109, (not figure) (No. 22364 U.S.N.M,)* 
Depth 7 2/3; head 6 2 / 5 , width 2* Snout 5 in head from upper jaw tip; eye 
4 3/4, slightly greater than snout, 1 2/5 in interorbital; maxillary extends 
2 1/2 eye diameters behind eye. 
than head from snout 
tip; premaxillary teeth 8, second, fourth, fifth and eight longest; 5 smaller 
teeth on each maxillary graduated longer to posterior; 11 or 12 teeth on each 
mandibular ramus, fourth, eighth and last 2 longest; rather long depressibje 
tooth each side of vomer; 6 teeth on left and 7 on right palatine; 2 pairs of 
recurved teeth on tongue; barbel 1 l/3 in total head length, slender, tapers 
into narrow filament; interorbital 4 l/4 in head from snout tip, low, depressed 
