NO. 1266. LABROID FISHES OF JAPAN— JORDAN AND SNYDER. 
633 
25. STETHOJULIS TROSSULA Jordan and Snyder, new species. 
Head 3i iu length; depth 3f ; depth of caudal peduncle 9; eye 5f in 
head; interorbital space 4; snout 2f; D. IX, 11; A. Ill, 11; scales 
in lateral series 26; between lateral line and insertion of dorsal 3; 
between lateral line and insertion of anal 9. 
Body elongate, caudal peduncle rather narrow, dorsal and ventral 
contours evenly curved, breast with a sharp ridge. Snout pointed, 
jaw^s equal, lower lip thin, pendulous, parted mesially into lateral 
lobes. Teeth in a single row, small, blunt, no anterior canines, a pair 
of strong posterior canines present. Edge of preopercle entire ; 
operele with a broad flap. Pseudobranchife large; gillrakers on first 
arch 6 + 15, most of those on the lower limb reduced to mere knobs; 
gill membranes well separated b}" a rather broad isthmus. Scales of 
breast like those of sides, not larger, those near gill openings small; 
scales on occiput and base of pectoral minute; dorsal and-anal without 
basal sheaths; caudal with small scales on basal part; head naked. 
Pig. 7.— Stethojulis trossula. 
Lateral line complete, abruptly bent downward below base of soft 
dorsal. Dorsal spines low, moderately strong, the longest li in head, 
longest ra}' 2f . First anal spine ver}- small, concealed, the third -i^ 
in head; longest ra}' 3^. Caudal rounded. If in head. Ventrals 
reaching to within an eye's diameter of anal opening. Pectorals 1^ 
in head. Membranes of tins thin and transparent, not thickened about 
the spines or ra3"s. 
Color in alcohol, chocolate brown above, much lighter below, the 
dark color ceasing abruptly a little above middle of sides, a broad 
l)rownish black band on caudal peduncle, which widens and becomes 
indistinct anteriorih'; a dark patch bordered above and below with 
yellowish white, before base of pectoi"al; a dark spot on upper part of 
axil; head darker than body, the dark area extending to the lower 
edge of preopercle; a white stripe somewhat narrower than pupil 
extending from tip of snout, below eve, to edge of operele; lower part 
of body with 1 indistinct, dark longitudinal stripes. jNIiddle of caudal 
brownish; other fins plain. 
