94 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



head naked, except cheeks and opercles; as but few of the specimens 

 have any scales we have omitted their structure. 



D. VII-I, 9, i, third spine 2% to 2% in total head length, first ray 

 1M to 2^; A. II, 8, i, second spine 2% to 3}/ 8 , first ray 2% to 2%; 

 caudal 13^ to 1%, emarginate behind; least depth of caudal peduncle 

 S}4 to 3^; pectoral 2 to 2}4; ventral 2}/ s to 5)4. 



Pale drab brown or gray, below on head and abdomen whitish. 

 Mandible tip dusky. Dark brown bar on side of snout well below 

 nostril obliquely to eye, its width much less than pupil. Head above, 

 cheeks and opercles, with obscure brown dots. Fins all pale or 

 whitish, sprinkled with dusky dots on spinous dorsal. Iris white. 



Named with reference to its black peritoneum. Specimens in 

 alcohol fragile and tender. Only known from the types. 



(D. 5442.) Eight examples. San Fernando Point Light, N. 39° E. 8.4 miles west 

 coast of Luzon (16° 30' 36" N., 120° 11' 06" E.). May 10, 1909. Length 

 46 to 59 mm. (Type No. 70249 U.S.N. M. and 7 paratypes.) 



AMIA APOGONOIDES (Bleeker) 



C 'heilodipter us apogonoides Bleeker, Act. Soc. Sci. Ind. Neerland. (Manado), 



vol. 1, 1856, p. 37. Manado, Celebes. — Gunther, Cat. Fish. Brit. Mus., 



vol. 1, 1859, p. 249 (copied). 

 Chilodipterus apogonoides Karoli, Termesz. Fiizetek, Budapest, vol. 5, 1882, 



p. 152 (Singapore). 

 Amia apogonoides Bleeker, Atlas Ichth. Ind. Neerland., vol. 7, 1873-76, 



p. 97 (Celebes); vol. 8, 1876-77, pi. (63) 341, fig. 2. 

 Apogon apogonoides Weber, Siboga Exp., vol. 57, Fische, 1913, p. 230 



(Banda). 



Depth 2% to 3; head 2% to 2]/ 2 , width 2% to 2%. Snout 4% to 



5 in head from snout tip; eye 3 to 3^3, much greater than snout or 

 interorbital; maxillary reaches % to % in eye, expansion 2 to 2L£ in 

 eye, length 2 to 2Ko in head; teeth in villiform bands in jaws with 

 inner row in each little enlarged, lower laterals especially so and 

 curved, also pair of rather large teeth on vomer and row of little 

 enlarged teeth on each palatine; interorbital 5 to 53^, nearly level; 

 preopercle ridge entire, edge minutely denticulate; preorbital entire- 

 Gill rakers 5 + 12, lanceolate, greatly longer than gill filaments or 

 2% in eye. 



Scales 24 in lateral line to caudal base and 4 more on latter; 2 above, 



6 below, 5 or 6 predorsal, 2 rows on cheek. Tubes in lateral line 

 large, simple, well exposed and each with basal partly crenulated 

 scale. Scales with 7 to 11 basal radiating striae; 47 to 96 apical 

 denticles, with 2 to 5 tranverse series of basal elements; circuli 

 moderately fine. 



D. VII-I, 9, i, fourth spine 2% to 2Y 2 in total head length, 

 first branched ray \% to \%; A. II, 8, I, second spine 3 to ?>y%, nrs t 

 branched ray \% to V/s) caudal \}4 to 1%, deeply emarginate 



