395 
76857 U .S.N.I'. Albatross Station 2791. Length 168 (?) ran., tail 
broken. 
U4550 li.S.li.'l. Albatross Station 2751. Length 190 mm. 
84587 U.S.N.M. Albatross Station 2663. Length 158 ram. 
Id iacanthus niger Regan 
Liia.c an thus niger REGAN, Ann. Mag. Nat. Hjst., ser.8, vol.13, 1914, p.14. New 
Zealand; Brit. Antarctic Terra N 0 va Exped., Zool., vol.l, No.l, 1914. p.14, 
ol.lO, ■ ig.2 (type). - ARCHEY, Hew Zealand Journ. Sci. Techn., vol.5, 1922, 
p.295 (New Zealand, from grouper's stomach). - PARR, Bull. Bingham Oceanogr. 
Collection, vol.3, art.2, Dec.30, 1927, p. (note). -REGAN and TREWAVAS, 
Danish Dana Exped. Oceanogr. Rep., No.6, March 10, 1930, p.123, fig.124 
***** 
(type;. - NORMAN, Discovery R g p., vol.2, 1930, p.315, fig.25 (barbel) (S. 33 
° to 45 ° E. 9 0 to 17 ° to 17. 24 °, 93 to 1000 meters). 
linSn^hus retrodorsalis THOMPSON, Proc. U.S.Nat. %s., vol.50, 1916, p.462, pi. 
4, fig.2. Off Lota, Chile, in 677 fathoms. 
Denuh 24, length 14 to 16. Snout 4 in head; eye 7 to 8, 1 3/4 in snout; 
maxillary extends 2 l/2 eye diameters behind eye, slightly less than head from 
snout tip; barbel 7 1/4 in body without caudal; interorbital low. 
Postocular luminous organ very small. Lateral photophores 28 between gill 
opening and ventral, 35 between ventral and anal; ventral series 39 or 40 be- 
tween isthmus and ventral, 35 (20 or 21 to anal origin) between ventral and anal, 
17 between anal and caudal. 
D. 55 to 60; A. 36 to 38; ventral well before dorsal, distant from anal 
origin 4/5 their space from snout end. 
