FAMILY POMACENTRIDAE — WOODS AND SCHULTZ 89 



just below lateral line, yellowish about middle; posterior part of body 

 from insertion of soft dorsal and anal rays blackish, vertical bars and 

 dark posterior part made up of vertical oval shaped spots on base of 

 each scale, anterior dorsal and anal soft rays black; upper and lower 

 caudal margins black, middle portion of caudal pale; pelvics pale. 



ABUDEFDUF LEUCOPOMUS (Lesson) 



Plate 89,C 



Glyphisodon leucopomus LESso^f, Voyage ... la CoquiUe . . . , Zoologie, p. 189. 

 1830 (type locality, Oualan, Caroline Islands). 



SPECIMENS STUDIED 



Bikini Atoll: 6 stations, 23 specimens, 16 to 47 mm. in standard length. 

 Eniwetok Atoll: 2 stations, 4 specimens, 23 to 31 mm. 

 Rongelap Atoll: 5 stations, 9 specimens, 20 to 40 mm. 

 Kwajalein Atoll: 1 station, 2 specimens, 42 to 45 mm. 

 Guam: 10 lots, 85 specimens, 13 to 46 mm. 



Description. — Dorsal rays XIII, 12 (rarely XIII, 13 or XIV,12); 

 anal 11,12 (sometimes 13); pectoral rays ii,17 (rarely 16); transverse 

 scale rows from upper edge of gill opening to base of caudal rays 25 to 

 27 (usually 26), with 2% between lateral line and origin of dorsal, 8 or 9 

 between lateral line and origin of anal; upper part of lateral line with 

 17 to 19 (usually 18) tubular scales ; gill rakers 8 + 1 + 12 to 14, totaling 

 21 to 23 (2 counts). 



Depth of body 2.2 to 2.3; head 3.1 to 3.4; both in standard length. 

 Snout 3.8 to 4.0; eye 2.6 to 3.2; preorbital width 9.7 to 12.0; length of 

 upper jaw 3.2 to 3.4; postorbital part of head (hind margin of eye to 

 upper edge of giU opening) 2.5 to 2.8; interorbital width 3.8 to 4.2; 

 depth of caudal peduncle 1.9 to 2.1; length of pectoral fin 1.2 to 1.3, 

 of pelvic fin 0.9 to 1.0, of 13th dorsal spine 1.7 to 1.9, of upper caudal 

 rays 1.0, of lower caudal rays 1.0 to 1.1 ; all in length of head (tip of 

 snout to hind margin of opercular membrane). Depth of caudal 

 peduncle in its length 1.2 to 1.3; angle of snout profile with lengthwise 

 axis of body 58 to 63 degrees, snout profile convex. 



Teeth of jaws in a double row those of inner row mth their tips 

 fitting into spaces between teeth of outer row, teeth with flattened, 

 rounded tips, scales of interorbital region extending forward on snout 

 almost to nostrils; preorbital and suborbital naked; both margins of 

 preopercle naked; opercle with two flat triangular spines, the lower 

 much larger than upper; dorsal spines subequal after 4th, last only 

 slightly longer than 5th; soft dorsal and anal outlines angular, caudal 

 lobes rounded, pectoral rounded; pelvics with outer row filamentous. 



Color in alcohol. — Specimens of all sizes with a broad blue band 

 (almost as wide as eye) extending from upper margin of eye along upper 

 sides to base of anterior half of soft dorsal; lips dark brownish, 2 



