484 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



19222 U.S.N.M. Fanning Islands. Dr. T. H. Streets. 3 examples. Length, 

 133 to 205 mm. Ail stained. 



51710 U.S.N.M. Honolulu. Albatross collection. Length, 165 mm. 



52039 U.S.N.M. Negros Island. Dr. B. Dean. Length, 138 mm. Greatly 

 darkened by formaline. Small dark spot at pectoral origin. Lips largely 

 conceal teeth; no canines and no scales on preopercle flange. As Callyodon 

 muricatus. 



52279 U.S.N.M. Apia, Samoa. Bureau of Fisheries. Length, 203 mm. Preo- 

 percle scales 2 — 2, each pair separated by an interval. As Callyodon halinensis. 



52368 U.S.N.M. Samoa. Bureau of Fisheries. 3 examples. Length, 166 to 

 215 mm. Preopercle, 3 — 3, 3 — 4, 2—3. All show 3 pale longitudinal abdom- 

 inal lines. As Callyodon erythrodon. 



52380 U.S.N.M. Apia. Bureau of Fisheries. Length, 205 mm. 



52396 U.S.N.M. Samoa. Bureau of Fisheries. 15 examples. Length, 47 to 

 235 mm. As Callyodon laccrta. 



84259 U.S.N.M. Zamboanga. Length, 190 mm. Canines, upper, 1 — 1; 

 lower, — 0; preopercle, 2 — 3. Pectoral dark. As Callyodon halinensis. 



CALLYODON HYPSELOPTERUS (Bleekcr) 



Scarus hypselopterus Bleeker, Nat Tijds. Ned. Indie, vol. 4, 1853, p. 946. 



Batavia, Java. 

 Pseudoscarus hypselopterus Bleekeu, Atlas Ichth. Ind. N^erl., vol. 1, 1861, 



p. 36, pi. 8, fig. 3 (Java). — Gitnther, .Journ. Mus. Godeflfroy, vol. 8 (16), 



1909, p. 311 (compiled). 



Depth 2% to 24^; head 3 to Sj/g, width 2 to 2%. Snout 2)^ to 

 2%; eye 6, 2^ to 2^ in snout, IJ^ to 2i^ in interorbital; mouth 

 cleft 5% to 6 in head; upper lip covers ^ to ji of teeth; canines usually 

 absent, when present moderate and 1 above each side or 1 below 

 each side; interorbital 3 to 33^ in head, convex. Gill rakers 22 + 26, 

 slender, flexible, short. 



Scales in lateral line 17 + 5 + 2; 2 scales above lateral line, 6 below, 

 4 or 5 predorsal; cheek with 3 rows of scales of which to 2 on each 

 preopercle flange. Scales with 23 to 26 basal striae, apical 20 to 21; 

 circuli very fine. 



D. IX, 10, I, second spine 2^^ to 2}4 in head, first ray 2}i to 2^; 

 A. Ill, 9, I, third spine 3 to 3}i, first ray 2% to 3; caudal l^A to \%, 

 little emarginate, little convex as expanded; least depth of caudal 

 peduncle 23>^ to 23^; pectoral 1^ to l]4', ventral IM to 1%. 



Brown generally, little paler below, with 2 or 3 lowest rows of scales 

 showing as many longitudinal whitish streaks. Fins all dull uniform 

 brown, at front of anal rays medianly usually neutral dusky blotch, 

 ill defined and variably large as eye. Paired fins pale. Pectoral with 

 small neutral dusky spot at origin. 



Known only from the East Indies, and Micronesia. It is very 

 close to Callyodon duhius, though sufficiently if only slightly distinct. 

 Alcoholic specimens are not always readily distinguished. It may 

 be known, however, by the higher anterior spines and the usual dark 

 blotch at the front of the anal, also usually one or no scales on the 



