o 
Length 118 mm# 
o 
5790. D. 5289# Hatacot Point, S. 42 E., 5 miles (' » 13 41 f 50 11 
o o 
E., 5 miles (N. 13 41 1 50 " E. 120 58 1 30 "), China Sea, vicinity 
southern Luzon* In 172 fathoms. July 22, 1908. Length 61 to 118 mm. 2 
examples. 
B. 5171. Qmapui Island (71.), S. 22 W., 12 miles (N. 5 ° 05 1 E. 119 
28 1 ), Sulu /archipelago vicinity Sibu.tu Island. In 250 fathoms. February 
28, 1908. Length 90 to 100 mm. 3 examples. 
Genus 17 / C ROST 0MI AS Brauer 
Ilacrostomias BRAUER, Zool. Anzeiger, vol.25, 1902, p.283. Type Maorostomias 
1ongibarbatus BRAUER, monotypic 
Body greatly elongated, thin, strongly compressed. Head small, compressed. 
Mouth cleft long, lower jaw strongly protruded. Both jaws with 5 large teeth, 
gradually shorter posteriorly. Palatines with 1 to 3 pairs of canines. Pill 
openings broad. Pill rakers very short. Pills 4. Branchiostegals 18. - ; ody 
covered with thin hexagonal scales. Dorsal and anal far postmedian, near last 
eighth in trunk. Dorsal rays 13 to 15. Anal rays 17 or 18. Pectoral rays 6. 
Ventral rays 4, filamentous, postmedian. 
One species. 
Ilacrostomias 1 ongibarbatus Brauer 
Ilacrostomias 1 o n gib arb atus BRAUER, Zool. Anzeiger, vol.25, 1902, p*283. Gulf of 
Guinea, 1800 meters ; Deutsch. Tie'see Expad. Valdivia, vol.15, Tiefsee 
Fische, 1906, p.52, pi.3, fig.2 (type from 1;. 3 11 1 1 n E. 5 34 1 9 " 
o 
