FISHES OF THE PHOENIX AND SAMOAN ISLANDS 177 



26. Teeth at front of jaws chiefly iu one series, at least uo well-defined group 

 or band of small teeth just inside outer series. 

 60. Scale rows aboiit 35 on side of body ; teeth short, conic, in a single 

 row at front of jaws, rather widely spaced and not extending for- 

 ward ; posterior half of margin of orbit with short dermal papillae ; 

 color in alcohol, narrow vertical blackish bars along each scale row 

 on upper half of body ; in life the specimen was rose color ventrally, 

 olive dorsally; depth 3^/^ ; dorsal rays XII, 14; anal II, 13; scales 

 85; gill rakers 8+18; lower sides and ventral region of head and 

 body rose color (field No. U-39-10(J). 



Lepidozygus tapeinosoma (Bleeker) 

 66. Scale rows fewer than 32, usually from 23 to 30; no papillae on mar- 

 gin of orbit. 

 7a. Preopercle with posterior edge serrated ; teeth incisor-like, close-set, 

 forming a compact cutting edge ; soft dorsal and soft anal rays 

 about 1/2 scaled (table 18). (Pomacentrus.) 

 80. Dorsal spines XIII, rarely XII. 

 9a. Dorsal posterior angle or flap of opercle with a black spot; sub- 

 orbital mostly naked or wholly naked, its lower edge with 

 spines; at front of suborbital above rear edge of maxillary 

 occurs a spine, pointing posteriorly, much stronger than any 

 other spine on suborbital ; scales on snout occurring forward 

 as far as nostrils. 

 10a. Dorsal rays XIII, 12; anal II, 13; each scale with vertical 

 oblong pale band meeting its fellow above and below to form 

 altei-nating vertical pale, then brown, lines; no black spot 

 on pectoral base ; no black spot at rear base of soft dorsal ; 

 anus blackish ; head with blue lengthwise lines. 



Pomacentrus pavo (Bloch) 

 106. Dorsal rays XIII, 15 ; anal II, 16 ; each scale with small pale 

 spots that form nearly vertical brown lines along each 

 scale row ; pale spots not joining with those of adjacent 

 scales ; upper base of pectoral with a black spot, a white- 

 bordered black spot at I'ear base of soft dorsal fin ; pelvics 

 brownish ; anus same color as body. 



Pomacentrus vaiuli Jordan and Seale 

 96. No black spot on opercle ; body and fins plain brown or blackish ; 

 suborbitals scaly without spines on young and only indica- 

 tions of them on adults 100 mm. or more long; snout scaled 

 to in front of nostrils; preorbital (that part in front of eye 

 above maxillaries) with a few scales posteriorly; anus same 

 color as body ; pelvics blackish. 

 11a. Doisal rays XIII, 14; anal II, 14; teeth essentially in one 

 row, large outer row with a few small ones posteriorly 

 between the large ones, these small teeth not in a band 

 behind outer row ; whole base of pectoral blackish. 



Pomacentrus melanopterus Bleeker 

 116. Dorsal rays XIII, 10; anal II, 13; teeth in one row without 

 any small ones between the large ones ; upper edge of pec- 

 toral base black Pomacentrus inornatus De Vis 



86. Dorsal spines XII, rarely XIII. 



12(1. Anus very black; upper pectoral base black; body pale, yellow- 

 ish in alcohol; nearly vertical, blackish lines at each row of 

 scales ; no spot on dorsal or anal fins ; pelvics pale as body ; 



