FAMILY POMACENTRIDAE — WOODS AND SCHULTZ 101 



scale lighter on light specimens, giving appearance of transverse dark 

 lines or crosshatching ; caudal peduncle usually pale yellowish or light 

 reddish brown in small specimens, but may be same color as rest of 

 body (usually as dark as body in specimens over 70 mm.). Spiny 

 dorsal blackish; soft dorsal blackish anteriorly and on scaly base, 

 naked part of posterior half usually smoky grayish or whitish; anal 

 fin completely blackish, or black basally and marginally with lighter 

 middle part; caudal usually yellowish or pale whitish, in some speci- 

 mens caudal is dusky and in some black basally, with middle rays and 

 posterior quarter pale grayish (all gradations from white to black 

 present in series studied) ; pectorals pale with very narrow black lines 

 along rays, base black; pel vies very dark brown to black. 



Color when alive. — Iris yellow; very dark brown or purplish head 

 and body; scale margins darker, scale centers lighter; nuchal area and 

 upper part of sides with numerous scattered small blue dots; naked 

 portion of soft dorsal yellow, posterior half of caudal peduncle light 

 brown; caudal fin light yellowish brown basally, pure yellow distally; 

 pelvics and anal fin blackish. 



Ecology. — This was the most abundant species of Ahudejduj on 

 the shallow parts of the reefs. Hundreds of specimens were discarded. 



ABUDEFDUF LEUCOZONA (Bleeker) 



Plate 87,C,D 



Glyphisodon leucozona Bleeker, Nat. Tijdschr. Nederl.-Indie, vol. 19, p. 339, 



1859 (type locality, Karangbollong, Java). 

 Abudefduf corneyi Jordan and Dickerson, Proc. U. S. Nat. Mus., vol. 34, p. 613, 



fig. 5, 1908 (type locality, Suva, Fiji). 

 Abudefduf behnii Jordan and Seale (not Bleeker), Bull. U. S. Bur. Fish., vol. 25, 



p. 285, 1906. (Apia, Samoa.) 



SPECIMENS STUDIED 



Bikini Atoll: 2 specimens, 52 to 53 mm. in standard length. 

 Kwajalein Atoll: 1 specimen, 34 mm. 

 Guam: 9 lots, 78 specimens, 13 to 71 mm. 

 Rota Island: 2 lots, 5 specimens, 68 to 87 mm. 

 Saipan: 3 specimens, 17 to 46 mm. 



Description.— Dorsal fin rays XII, 14 to 16 (usually 15); anal rays 

 11,12 (rarely 11 or 13); pectoral rays ii,18 (sometimes 19); transverse 

 scale rows from upper edge of gill opening to base of caudal rays 27 

 to 29 (usually 28), with 3K from lateral line to dorsal origin, 10 or 11 

 from lateral line to anal origin; upper branch of lateral line with 20 

 tubular scales; gill rakers 3 or 4+1 + 11 to 13, totaling 15 to 17 (4 

 counts). 



Depth of body 1.8 to 1.9; length of head 3.0 to 3.2; both in standard 

 length. Snout 3.4 to 3.6; eye 2.8 to 3.6; preorbital width 5.8 to 6.3; 



