182 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Diagnosis. — Known chiefly by its coloration, which generally dark 

 brown, most every scale with pale spot, often forming vermicula- 

 tJons. 



T'ype.—C2Lt. No. 89996, U.S.N.M. 



8146. Alibijaban Island, Ragay Gulf, Luzon. March 6, 1909. Length 303 mm. 



8084. Alimango Bay. March 5, 1909. Length 369 mm. 



6507, 6508. Balikias Bay. July 17, 1908. Length 274 to 289 mm. 



0249. Medio Island, Galera Bay, Mindoro. June 9, 1908. Length 35 mm. 



8049. Mompog Island. March 3, 1909. Length 283 mm. 



9292. Murcielagos Bay. August 9, 1909. Length 256 mm. 



8886. Near Palag Bay, Luzon. June 16, 1909. Length 290 mm. 



5881. Polloc, Mindanao. May 22, 1908. Length 318 mm. 



7000, 7001. Port San Pio Quinto, Camiguin Island. November 10, 1908. Length 

 585 to 615 mm. 



8209. Refugio Island, Pasacao, Ragay Gulf. March 9, 1909. Length 303 mm. 



7334 to 7337. Tara Island. December 14. 1908. Length 268 to 432 mm. 



6432, 6466, 6470. Tilig. July 14, 1908. Length 290 to 344 mm. 



A469. Tulnalutan Island, east of Zamboanga. September 9, 1909. Length 

 583 mm. 



6926, 6957. West coast of Sabtan Island. November 8, 1908. Length 332 to 

 408 mm. Scales on back and sides with indigo bar through center, edges 

 yellowish, most pronounced below; breast and side of head bronzy; side of 

 head with numerous slaty whitish spots on dorsal membrane, in about 2 

 series on spinous parts, 1 along base and 1 on the outer half ; many obscure 

 pale spots on caudal and anal ; paired fins unmarked or with a few obscure 

 spots on pectorals. 



A1453. Cape Kait, Libani Bay, Celebes, Dutch East Indies. December 29, 

 1909. Length 420 mm. 



A1074. Maitara Island. November 26, 1909. Length 407 mm. Ground color 

 of head dark greenish olive, on forehead and snout becoming olive yellow, 

 on cheeks and side vermiculations slaty ; scales on back with dusky indigo 

 centers, seal brown edges and narrow olive line between these colors ; below 

 lateral line blue changes to slate, then olive brown fading into dirty white ; 

 spinous dorsal membranes dusky olive with double row of whitish blotches ; 

 soft verticals blackish, abundantly spotted with whitish ; paired fins dark 

 brown, without spots ; iris dusky and golden. 



Also large head and vertebral column with fins, 552 mm. No data. 



Genus APSILUS Valenciennes 



Apsilus Valenciennes, Hist. Nat. Poiss., vol. 6, 1830, p. 548. Type Apsiliis 

 ftiscus Valenciennes, monotypic. 



Body moderately long, compressed. Teeth in jaws all villiform, 

 none canines, outer row little enlarged ; palate and tongue with fine 

 teeth, or absent from latter. Preopercle edge with serrae or entire. 

 Lower gill rakers 10 to 17. Branchiostegals 7. Scales about 60 to 

 65 in lateral series. Soft dorsal and anal scaleless, caudal scaly. 

 Dorsal single, edge continuous, with 10 spines and 10 rays. Anal 

 with 8 spines and 8 rays. Last dorsal and anal rays not produced. 

 Caudal lobes slightly longer than head. Pectoral moderate, equals 

 head or less, not or quite reaching anal. 



