Fishes of the South Pacific. 41 



fin continuous, not deeply notched, the third, fourth and fifth 

 spines of equal length, 2.90 in head; the second anal spine 2.75 in 

 head; ventrals 3, caudal deeply emarginate, the middle ray 2.75 

 in head, the longest ray 1.75. 



Color in life, pinkish white, a deeper pink on top of head and 

 about the mouth. Pectorals pink, with deep red in axis; anal 

 pink, with a narrow margin of white and a deep red intermarginal 

 line; ventrals pink, the first ray with a white margin; caudal yel- 

 lowish with indistinct dusky centre; iris yellow. 



Color in spirits, dorsal, caudal, anal, and ventral with inter- 

 marginal dusk\- areas; a dusky spot in axis. 



Three specimens, Xos. 1384, 1390 (Fig. 13) and 1460 B. M., 

 from Tahiti, Society Ids. 



I/Utianus marginatus (Bloch). 



Five specimens, Nos. 952, 953, 1026, 1850* and 841* B. M., 

 from Fate, Xew Hebrides. 



Three specimens, Nos. 11 84, 1185 and 11 86* B. M., from vShort- 

 land Id., Solomons. 



Two specimens, Nos. 149 1 and 1492 B. M., from Tahiti. 



Color in life, silvery, with a wash of pinkish; dorsal pinkish, 

 tipped with deeper red; caudal deep red, with a white tip; pec- 

 torals, ventrals and anal bright yellow. 



I/Utianus gibbus (Bloch). 



Depth 2.60; head 2.75, including flap; eye 5.30; D. x, 15; 

 A. Ill, 9; scales 11-70-17; interorbital 4.25 in head, 1.75 in snout. 



Body compressed, scales ctenoid and of moderate size; a row 

 of modified enlarged scales over nape; depth of caudal peduncle 

 equal to width of opercle. Head compresssed, the upper profile 

 concave; snout slightly elongate; maxillary scarcely reaching to 

 orbit, all but its tip is hidden under the preorbital; premaxillary 

 2.75 in head; mandibles equal to length of snout, 2.30 in head; 

 large curved canine teeth in each jaw; villiform teeth on vomer 

 and palatine, and on jaws inside the canine teeth; gill-rakers 

 rather elongate, 22 on the lower limb: vertical limb of preopercle 

 with a deep notch; above the notch are a few small serrations, 

 below the notch at angle the serrations are coarse; interopercular 

 knob large; posterior margin of opercle ending in a sharp point. 

 Fins: twelfth ray of soft dorsal the longest, but scarcely equal to 

 sixth ray of anal; third anal spine the longest, 2 in length of pec- 

 torals, the sixth ray 2.75 in head; base of anal equal to its longest 

 ra}-; pectorals 1.75 in base of dorsal, 1.75 in head, their tip reach- 

 ing to a line between vent and origin of anal fin; ventrals 1.75 in 

 head; caudal rather deeply emarginate, the upper lobe the long- 

 est, the middle ray is one-half length of longest lower ray. 



