108 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Tubes 16 to 18 in lateral line, pores in straight section 6 or 7 + 1 

 or 2; 3 or 4 scales above lateral line, 10 below, 21 to 27 predorsal; 

 3 rows of cheek scales, none on infraorbital. Scales with 8 to 10 

 basal radiating striae ; apical denticles 162 to 165, with 1 or 2 series 

 of basal elements; circuli fine. 



D. XIII or XIV, 13, I, thirteenth spine 11/2 to 1% in head, fifth 

 ray 1^^, to IV5 ; A. II, 13, i, second anal spine 1% to 1%, sixth anal 

 ray 1% to 1^4; least depth of caudal peduncle 1% to 2; caudal 

 deeply emarginate, lobes rounded, 21/2 to 3 in combined head and 

 body; pectoral 3I/2 to 4; ventral 3I/3. 



Generally brownish on back and paler or whitish below. Head 

 above and front of back for area obliquely up and embracing spinous 

 dorsal deep brown. Upper corner of opercle with dusky ocellus 

 vertically and not quite large as pupil. Very pale brownish bar 

 from snout tip to eye, embracing nostril in its course. Pale obsolete 

 streak from above pectoral base back toward center of caudal base. 

 Vent in large deep-brown area, extends back over spinous anal and 

 front of soft anal as obsolete dark streak. Fins otherwise pale. 

 Iris dull neutral. 



Ceylon and East Indies. A. very handsome species, showing a 

 fairly constant design in the white blotches on the head. These, 

 together with its other combinations, especially in the large deep- 

 brown blotch at the vent, will easily distinguish the species. 



1 example, Bugsuk Island, Balabac. January 5, 1909. Length, 98 mm. 



9 examples, Caudaraman Island. January 4, 1909. Length, 88 to 120 mm. 



2 examples, Cuyo, Cuyo Island. April 9, 1909. Length, 111 to 112 mm. 

 1 example, Dalaganem Island. April 8, 1909. Length, 133 mm. 



1 example, Guntao Island. December 20, 1908. Length. 122 mm. 



13085 and 13086. Kapoposang Island. December 28, 1909. 4 examples. Length, 

 109 to 130 mm. [2178.] 



1 example, Little Santa Cruz, Zamboanga. May 26, 1908. Length, 110 mm. 



1 example, Mompog Island. March 3, 1909. Length, 88 mm. 



11309. Palag Bay vicinity, Luzon. January 16, 1909. Length, 110 mm. 



5897. Polloc, Mindanao. May 22, 1908. Length, 125 mm. 



14161 to 14163. Pujada Bay, East Mindanao. May 15, 1908. 5 examples. 

 Length, 100 to 126 mm. 



5397. Ragay River tidewater, Ragay Gulf. March 10, 1909. Length, 125 mm. 



10891. San Miguel Harbor, Ticao Island. April 21, 1908. Length, 110 to 130 

 mm. 2 examples. [.599.] Top of head and back anteriorly dark olive, set 

 off by oblique obscure brassy line from the dusky gray of posterior and lower 

 side; caudal peduncle and under soft dorsal with drab shades; large black 

 blotch about vent, immediately ultramarine blue ; breast dusky brassy, lower 

 head same; cheek and opercle with peach-red blotches, these with minute 

 purplish mottlings; blue-black blotch at upper angle of opercle; scales at 

 top of head with pale radiating lines. Dorsal color of adjacent body, with 

 inframarginal obscure band of paler, leaving margin of dark olive; very 

 narrowly so on the soft portion. Front and anterior margin of anal olive. 



