124 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Scales 24 in lateral line to caudal base and 2 or 3 more on latter; 

 2 above, 6 below, 6 predorsal, 2 rows on cheek; head scaly, except 

 cheeks and opercles, upper surface venulose. Tubes in lateral line 

 large, well exposed, with small basal scale to each tube but little 

 exposed. Scales with 10 or 11 basal radiating; striae; 50 to 52 apical 

 denticles, with 5 transverse series of basal elements; circuli fine. 



D. VI-I, 8, i, second spine 2}/g to 2}4 in total head length, first ray 

 2 to 2}{; A. II, 8, i, second spine 4% ?, first ray 2Vg to 2^; caudal 

 13^6 ?> emarginate behind; least depth of caudal peduncle 2% to 3Xo; 

 pectoral 2Xo to 2%; ventral 1% to 2. 



Back rich brown leaving pale dorsal line along upper edge of back 

 from interorbital to soft dorsal. Well defined median blackish brown 

 band from snout through eye and back to caudal base medianly 

 though little low along side of caudal peduncle, ending in point at 

 caudal base. Iris, except as crossed by dark band, silvery white. 

 Fins all pale uniform brownish. Upper and lower edges of caudal 

 narrowly darker brown than rest of fin. 



Only known from the type and paratype listed below. 



982. Ulugan Bay, Rita Island, Palawan. December 29, 1908. Length 65 mm. 

 (Type No. 70253 U.S.N.M.) 



968. Endeavor Strait, northwest coast of Palawan. December 22, 1908. 

 Length 60 mm. Dusky appearance on body given by numerous fine dark 

 dots on scales. Upper lip over premaxillaries violet. Blackish line from 

 snout through eye across opercle and along side of tail; on side below blackish 

 line narrow and metallic light green line half as wide. Region on body below 

 these two lines and chin dusky yellow, on opercle and on iris under pupil 

 bright yellow. Blackish line, narrower and fainter than median lateral dark 

 line, extends along back on each side of dorsal fins from snout to tail. Obso- 

 lete similar line medially from nape to second dorsal. On nape, between dark 

 lines, spaces decided lavender metallic green and same spaces between nape 

 and first dorsal, purplish metallic. Two dorsal lines converge before eyes and 

 become deep violet, remainder of snout dusky with wash of yellow. Region 

 between prominent dark line along side and first dorsal line (above) light 

 metallic green, becoming metallic violet on upper part of opercle. First dor- 

 sal and ventrals washed with yellow, other fins dusky hyaline. 



Subgenus Cheilodipterus Lacepede 



Four to nine or more dark longitudinal bands. Usually dark, round, 

 basal caudal spot present. 



CHEILODIPTERUS NIGROTAENIATUS Smith and Radcliffe 



Cheilodipterus nigrotaeniatus Smith and Radcliffe, Proc. U. S. Nat. Mus., 

 vol. 41, 1912, p. 442, pi. 37, fig. 3. Northeast Sacol Island, Philippines. 



Depth 3 to 3%; head 2^ to 2%, width 2%. Snout 3% to 4 in 

 head; eye 3^, greater than snout or interorbital; maxillary reaches 

 opposite hind pupil edge, expansion 2 in eye, length 2 in head; teeth 

 in villiform bands in jaws, on vomer and palatines and row of irregular 

 enlarged outer teeth in jaws; interorbital 5}4 to 5^5, level; preopercle 



