488 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



vol. 57, Fische, 1913, p. 387 (Banda). — Fowler and Bean, Proc. U. S. 



Nat. Mus., vol. 62, 1922, p. 53 (Zamboanga). 

 Scarus niger (not FoeskAl) Ruppell, Neue Wirbelth. Fische, 1835, p. 24, 



pi. 8, fig. 1. 

 Scarus limbalus Valenciennes, Hist. Nat. Poiss., vol. 14, 1839, p. 271. 



Macao, China, Java. 

 Pseudoscarus limbatus Guichenot, Mem. Soc. Sci. Nat. Cherbourg, vol. 11, 



1865, p. 36 (type). 

 Scarus prasiognathos Valenciennes, Hist. Nat. Poiss., vol. 14, 1839, 



p. 272. New Ireland. 

 Pseudoscarus prasiognathus Guichenot, Mem. Soc. Sci. Nat. Cherbourg, 



vol. 11, 1865, p. 56 (type). 

 Callyodon prasiognathus Snyder, Proc. U. S. Nat. Mus., vol. 42, 1912, p. 509 



(Okinawa). 

 Scarus erythrogenys (Ktthl and Van Hasselt) Bleeker, Atlas Ichth. Ind. 



NeerL, vol. 1, 1862, p. 32 (name in synonymy). 

 Callyodon maoricus Jordan and Seale, Bull. Bur. Fisher., vol. 25, 1905 



(1906), p. 328, pi. 48, fig. 3. Pago Pago, Samoa.— Snyder, Proc. U. S. 



Nat. Mus., vol. 42, 1912, p. 509 (Nafa, Okinawa). 



Depth % to 22^; head 2^4 to 3, width 2^^ to 2}i. Snout 2}4 to 

 2J4; eye 4^ to 7^, 1^ to 33^ in snout, 1^ to 2% in interorbital; 

 mouth cleft Z% to 4% in head; lips largely cover teeth; canines ab- 

 sent, 1 to 3 above each side posteriorly, usually none below; inter- 

 orbital 23/2 to 33^ in head, convex. Gill rakers 13 +22, short, slender, 

 flexible. 



Scales in lateral line 17 to 20, 4 to 6 +2; 2 scales above lateral line, 

 6 below, 8 predorsal; 3 rows of scales on cheek, of which lowest row 

 of 2 to 4 scales on preopercle flange, rarely 1 scale. Scales with 

 27 to 33 basal radiating striae, apical 28 to 31 ; circuli very fine. 



D. IX, 10, I, ninth spine 2^6 to 3% in head, first ray 2^ to 334; 

 A. Ill, 9, 1, third spine 2ys to 3 3^^, first ray 2^ to 3K; caudal 13^ to 

 13^^, emarginate, in young convex behind, with age double concave 

 and ends exserted; least depth of caudal peduncle 2 to 23/^; pectoral 

 IH to 13^; ventral 1^ to IJ/g. 



Deep Vandyke brown to clove brown, more or less uniform. Scales 

 often with dark blotch basally. Pale brown submarginal lines on 

 upper lip and one on lower, also another lower and parallel across 

 chin; pale brown line variably from rictus to eye and another post- 

 ocular which may be variously broken, to suprascapula, or sometimes 

 only as pale bar on scale below suprascapula. Fins dark. Dorsals 

 and anals with brown edges. Caudal with pale brown edges above, 

 below, and broadl.y behind. Paired fins dark. 



Zanzibar, East Indies, Riu Kiu, Micronesia, Society Islands. 

 Differs from most all the East Indian species in the narrow pale or 

 buff edges to the ventrals. Often examples are uniformly dusky 

 black, only the suprascapular scale appearing slightly dull brown, 



11101. Agojo Bay. December 14, 1908. Length, 148 mm. 



5187, 7221, 15170. Alibijaban Bay, Ragay Gulf, Luzon. Length, 185 to 247 

 mm. [1235, 1236.] 



