FAMILY POMACENTRIDAE — WOODS AND SCHULTZ 85 



peduncle 1.8 to 2.1; length of pectoral fin 0.9 to 1.0; of pelvics 0.9 to 

 1.5, of 4th dorsal spine 1.7 to 2.0, of upper caudal ray 0.8 to 0.9, of 

 lower caudal ray 0.9; all in length of head (tip of snout to hind margin 

 of opercular membrane). Depth of caudal peduncle in its length 1.1; 

 angle of snout profile with lengthwise axis of body 42 to 49 degrees. 



Teeth of jaws flattened, truncate, bicuspid or entire; gill rakers long 

 (about as long as diameter of pupil), slender; preorbital not notched, 

 naked; suborbitals narrow, scaly; preopercle entire, scales not covering 

 its posterior margin; opercular spine small, flat, triangular, head scaled 

 anteriorly to nostrils, interorbital space slightly convex; third and 

 4th dorsal spines longest, about equal in length to 12th dorsal spine; 

 soft dorsal and anal fins pointed; caudal lobes angular; first pelvic 

 ray fdamentous. 



Color in alcohol. — Lips dusky brownish or grayish ; top of head, dark 

 grayish or brownish; back and sides with 5 broad dark grayish or 

 blackish bars alternating with slightly broader pale whitish or light 

 dusky grayish areas, dark bars narrowing and fading ventrally; spiny 

 dorsal membranes dusky grayish; soft dorsal v/ith large black basal 

 area, anterior rays dusky, posterior rays with distal half pale; anal 

 with anterior rays dusky, posterior rays pale; caudal with basal por- 

 tion and outer rays dusky, median rays pale; pelvics dusky; pectorals 

 pale with distinct small dark brown or blacldsh spot on base of upper 

 rays. 



ABUDEFDUF SEPTEMFASCIATUS (Cuvier and Valenciennes) 



Plate 86, B 



Glyphisodon septemjasciatus Cuviek and Valenciennes, Histoire naturelle des 

 poissons, vol. 5, p. 463, 1830 (type locality, Isle de France). 



SPECIMENS STUDIED 



Bikini Atoll: 7 stations, 29 specimens, 15 to 133 mm. in standard length. 



Eniwetok Atoll: 2 stations, 2 specimens, 110 to 143 mm. 



Rongelap Atoll: 2 stations, 7 specimens, 16 to 130 mm. 



Guam: 7 lots, 19 specimens, 19 to 141 mm. 



Saipan: 3 lots, 5 specimens, 13 to 24 mm. 



Rota Island: 2 lots, 6 specimens, 22 to 72 mm. 



Description. — Dorsal rays XIII, 13 (rarely 12); anal 11,12 (rarely 

 13); pectoral rays ii,16 (rarely 15 or 17); scale rows from upper edge 

 of gill opening to base of caudal rays 27 or 28 (usually 27), with 3K 

 between end of lateral line and scaly dorsal sheath, 11 or 12 between 

 lateral line and origin of anal; upper part of lateral line with 20 to 22 

 perforated scales; gill rakers 8 to 10+1 + 14, totaling 23 to 25 (2 

 counts) . 



Depth of body 1.8 to 2.1 ; head 2.5 to 3.1 ; both in standard length. 

 Snout 3.1 to 3.6; eye 2.5 to 5.9; preorbital width 6.2 to 11 .0; length of 



