No.iJGG. LABROID FISHES OF JAPAN— JORDAN AND S\YDER. 649 
distinct black spot anteriorly, without longitudinal band; a black spot 
superiorly in the axil (Giinther). No distinct black blotch on tip of 
pectoral. 
Of this species a single specimen is in the Imperial Museum of 
Tokyo, from the Riukiu Islands. 
{doi'><alis^ pertaining to the l)ack.) 
21. GOMPHOSUS Lacepede. 
Gomphoms hxctvtDv^, Hist. Nat. Poiss-., Ill, 1802, j). 100 {cfcrulein^). 
Body rather elongate, compressed, covered with moderate-sized 
scales, '2o to 30 in the lateral line; lateral line not interrupted; head 
scaleless: snout al^ruptl}- produced, a long tube, which bears the rather 
long jaws at the end; canines small; no posterior canine; gill mem- 
branes attached to the isthmus: tin ra^'s; Dorsal VIII, 13; Anal III or 
II. 11. Small fishes of brilliant colors, allied to Thalassomo^ but dis- 
tinguished from all other Lahrkhe by the prolonged snout. East India 
and Polynesia. 
{y6f.i(/)og^ a nail.) 
a. Color deep blue or bluish green with a yellow l)ar beiiind pectoral.. /r/eo/or, 38. 
act. Color gray with black spots, anteriorly rosy, posteriorly blackish; no blue any- 
where varhis, 39. 
38. GOMPHOSUS TRICOLOR ( Quoy and Gaimard). 
Gomphosiij^ tricolor Quoy and Gaimard, Voy. Uranie, Zool., 1824, p. 280, i>l. lv, 
fig. 2; Maul (Sandwich Islands). — Bleeker, Act. Soc. Indo-NederL, I, 
;Manado and Macassar, p. 54; Manado (Celebes); Atlas Icth., 1862, p. 85, 
{jl. XXI, fig. 6; Celebes, Sumatra, Amboyna. 
(?o»iy>/(os((.s cepet^/'/nj^.s CuviER and A^ALExciEXN'ES, Hist. Nat. Poiss., XIV, 1839, p. 
19; Maui (after Quoy' s types), Tahiti, Carolines. 
Head 2f in length; depth 3i; depth of caudal peduncle 9i; eye 9i 
in head: interorbital space 6i; snout If; D. VIII, 13: A. HI, 11; 
scales in lateral series 2.5; between lateral line and insertion of dorsal 
3; between lateral line and insertion of anal 8. 
Snout notably long and pointed, the jaws greath' produced and very 
protractile: mouth Avide, the cleft 3f in head. Teeth in a single row, 
minute, blunt, and close set posteriorly, appearing like a serrated ridge, 
longer anteriorly, the ones at tips of jaws canine-like; no posterior 
canines. Preopercle smooth. Gill membranes forming a narrow fold 
across isthmus. Gill rakers on first arch 8+16. short, pointed. 
Head naked, dorsal fin with a slight sheath, scales of nape and 
breast small l)ut not notabh' reduced. Lateral line abrupt!}^ bent 
downward below soft dorsal fin. 
Membrane of dorsal not incised, spines short, the longest a))out 
equal to diameter of eye, rays about twice as long. First anal spine 
very minute, often completeh' hidden in the membrane, third spine 
