NO. 1266. LABROID FISHES OF JAPAN— JORDAN AND SNYDER. 613 
cc. Thalassominae. Dorsal spines 8 or 9. 
g. Preopercle serrate; cheeks and opercles with large scales; posterior 
canine present; dorsal fin with a scaly sheath; anterior dorsal 
spines elevated, filamentous in the males; scales large, about 20 
in lateral line Duymxria, 10. 
(fg. Preopercle entire. 
/(. Opercles with large scales; cheeks with imbricate scales; lips mod- 
erate; base of dorsal without scaly sheath Pseudolahms, 11. 
/)/(. Opercles scaleless, or with a few small scales only. 
/. Body oblong, not cylindrical, the depth more than one-fifth the 
length; opercles scaleless. 
j. Dorsal spines 9. 
k. Anterior canines prominent, turned forward with a cutting 
edge; no posterior canine. Scales moderate or large (20 to 
50) Anampses, 12. 
kk. Anterior canines not turned forward to form a lateral cut- 
ting edge. 
I. Scales large, 25 to 30 in lateral line. 
m. Scales of breast as large as those of rest of body, or even 
larger; posterior canine normally present; canines of 
upper jaw very short, close set, forming a terminal 
cutting edge; lower teeth similar, but longer; mouth 
small; dorsal spines short, pungent Stethojnlis, 13. 
mm. Scales on thoracic region not enlarged; anterior canines 
normal, 
n. Lips very thick, with folds, the lower pendant like 
chicken's wattles; cheeks with small scales be- 
low - Hemigymnus, 14. 
nn. Lips not enlarged. 
0. Cheeks with two rows of small scales behind ej^e. 
Gi'mtheria, 15. 
00. Cheeks entirely scaleless; no sheath of scales at 
base of dorsal Halichceres, 16. 
U. Scales rather small, 50 to 80 in lateral line. 
p. Posterior canines obsolete Caris, 17. 
pp. Posterior canines present Julis, 18. 
ii. Body elongate, subcylindrical, covered with rather small scales; 
opercle with a row of small scales; no posterior canine. 
Cheilio, 19. 
jj. Dorsal spines 8; no scales on head; no posterior canine 
tooth; dorsal with a low sheath of scales; scales large. 
q. Snout short, not tubiform Thalassoma, 20. 
qq. Snout much produced, forming a tube, the 
jaws at its end GomjAosus, 21. 
U>. Xyrichthyinse. Lateral line interrupted behind, the anterior part following the 
line of the back, the posterior part median on caudal peduncle. 
r. Dorsal spines 11; preopercle serrate; cheeks 
and opercles with scales; no posterior 
canines Cirrhilahru.'i, 22. 
rr. Dorsal spines 9 (rarely 10) ; preopercle entire; 
no posterior canines. 
s. Cheeks and opercles covered with large 
scales; forehead not trenchant; lips full. 
Cheilinus, 23. 
