FISHES OF THE PHILIPPINE AND ADJACENT SEAS 21 



D. XI or XII, 12, I, fifth spine 1% to 1% in head, fifth ray ll^ 

 to 11/3, first ray often simple; A. II, 12, i, second spine 1% to 2, 

 fourth ray II/4 to ly^ ; caudal emarginate, broad, 2% in combined 

 head and body ; pectoral 3 ; ventral 2% to 2% ; least depth of caudal 

 peduncle 1% to l^^ in head. 



White, some examples with grayish tinge on back and head above. 

 Broad black band from occiput above downward to include eye, all 

 of mandible, front of cheek and chest, but lips pale. Second broad 

 black band from front of spinous dorsal to ventral, which also black. 

 Third black band includes last dorsal spine and most of soft dorsal 

 down to soft anal, leaving narrow white edge to soft dorsal and anal 

 posteriorly. Caudal whitish, with large black marginal blotch 

 behind, reaching to middle of fin. Pectoral pale or gray, base 

 black. Iris dusky. 



East Indies, Melanesia, Micronesia. 



Greatly like Dascylliis arumms, though readily distinguished by 

 the large black caudal blotch, the fin appearing largely if not entirely 

 black. 



1 example Batan Island. June 5, 1909. Length, 63 mm. 



3 examples, Biri Channel, Balicuatro Island. June 1, 1909. Length 55 to 67 

 mm. [1549.] Ground-color dusky-silver below, becoming greenish above; 

 black band, breadth of eye, from top of head through eye, covering all of 

 chin and most of throat ; second black band covers all of front of dorsal, 

 including 5 spines, passes downward to base of ventral, which entirely 

 black ; third from soft dorsal to soft anal, coloring fins except narrovr vertical 

 margin, which hyaline ; caudal black except very narrow whitish margin 

 basally and tip. 



1 example, Buang Bay, Talajit Island. March 15, 1909. Length, 57 mm. 



1 example, Danawan Island and Si Amil Island. Septeml)er 27, 1909. Length, 

 60 mm. 



1 example, Galera Bay, Mindoro. June 9, 1908. Length, 42 mm. 



1 example, Guiniyan Island. June 4, 1909. Length, 50 mm. 



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

 36 mm. 



2 examples, Mansalay, Mindoro. June 4, 1908. Length 58 to 72 mm. 

 2 examples, Philippines. Length, 52 to 55 mm. 



1 example. Port Maricaban. July 21, 1908. Length, 65 mm. 

 1 example. Port Palapag. June 2. 1909. Length, 58 mm. 

 1 example, Rapu Rapu Island. June 22, 1909. Length, 40 mm. 

 14050 and 14051. Sacol Island. September 9, 1909. Length, 52 to 57 mm. 

 1 example, Tataan, Simulac Island. February 18, 1908. Length, 68 mm. 

 1 example, Tumindao Island. February 26, 1908. Length, 39 mm. 

 20686. Ulugan Bay,' mouth of Baheli River. December 28, 1908. Length, 

 58 mm. 



DASCYLLUS ARUANUS (Linnaeus) 



Chaetodon aruanus Linnaeus, Syst. Nat., ed. 10, 1758, p. 275. Indies. — 

 Bloch, Naturg. Ausl. Fisch., vol. 3, 1787, p. 62, p. 198 (India, Arabia). 



Chetedon n)-uanufi Bonnaterre, Tabl. Ich.. 1788, p. 87, pi. 92, fig. 380 

 (East Indies, Red Sea). 



