74 Direflor's Anmial Report. 



83. Caranx sexfasciatus Quoy & Gaim. 



Head 3.33; depth 2.50; eye 3.50, i into snout; interorbital 3.66; 

 D. VIII, I, I 21; A. II, I 19. Scales numerous, plates 33. Lateral 

 line strongly curved, the curve 1.66 into straight portion. Lower 

 jaw slightly longer than upper. Breast scaly. Teeth of upper jaw 

 form a villiform band, an outer series of larger ones also present, 

 a single row in lower jaw, small teeth on palate. Color: Silvery, 

 bluish above, with about seven dusky vertical bands about equal to 

 width of eye and narrow^er than interspace. An indistinct opercular 

 spot. Fins yellow. Two specimens, length 4.50 inches, were taken 

 at Agaiia, Guam, July 9, 1900. Hab. Western Pacific, Marianas. 



Genus I^BIOGNATHUS Lacepede. 

 84-86. I/Ciognathus obscura sp. nov. 



Head 3.33; depth 1.66; eye 2.80, i into snout; interorbital 3; 

 D. VIII, 17; A. Ill 15; V. I 5. Scales small, deciduous, cycloid, 

 no scales on chest. Lateral line unarmed and but slighth^ curved. 

 Body elevated and strongly compreSvSed. Mouth protradtile, upper 

 jaw rather overhanging. Teeth minute, of equal size in jaws. Pre- 

 opercle and supraorbital serrate. Two short spines on upper anterior 

 part of orbit, the distance between two outer spines 2.50 into head. 

 Branchiostegals 5. Pseudobranchise present. Gill-rakers short but 

 wide, with many small teeth. Fins: Second dorsal spine 3.80 into 

 length, the third dorsal spine equal in length to second anal spine, 

 1.50 into head. Pecftorals and second dorsal spine of equal length. 

 Ventrals small, 2 into head. Caudal well forked, lobes of equal 

 length; caudal peduncle 4 into head. The pores of lateral line are 

 slightly enlarged anteriorly. Color: vSilvery white, bluish above. 

 An irregular dusky splotch about the size of eye a little below the 

 axis, above anterior anal spine. The inner bases of pectorals are 

 black. A dusky splotch at upper edge of opercle, another at upper 

 margin of orbit — this invades the upper part of iris, which other- 

 wise is yellow. Snout more or less dusky with a short black line 

 down each side from nostrils to upper lip. A dusky splotch on 

 upper part of caudal peduncle. Fins white, a wash of yellow^ on 

 caudal. Three specimens, length 3-5.50 inches, taken at Agafia, 

 Guam, May 26, 1900. No. of type 84 B. P. B. M. Hab. Marianas. 



Family PBMPHBRID^. 



Genus PBMPHERIS Cuvier & Vaeenciennes. 

 87-90. Pempheris otaitensis (Cuy. & Val.). Sapi sapi. 



Head (from bony margin of opercle to tip of snout) 4; depth 

 2.50; eye 2.25; maxillary 1.60; mandibles 1.50; interorbital 1.50 

 into eye; from anterior margin of orbit to tip of snout is one-half 

 the diameter of eye; D. vi, 9; A. iii 41; V. i 5; P. 19. Scales about 



