POMACENTRUS 39 



'. Orbital ring evenly serrated. 

 tt 1 . Inferior limb of preopercle scaly; scales on top of head extending 



to before front edge of eye. 

 v\ Body with dark or white marks. 

 w 1 . Body with white spot or band. 



a 1 . Body with a large white round spot along back but without 



any dorsal ocellus P. chrysopoecilus. 



J . Body with a white transverse band and a dark ocellus. 



P. notophthalmus. 

 w'. Body with dark blotches. 



y 1 . Body with two wide dark blotches and a large blackish 



violet spot on axil of pectoral P. prosopotaenia. 



y*. Body with three dark blotches but without any axillary 



spot on pectoral P. trimaculatus. 



v*. Body without dark or white marks P. melanochir. 



u*. Inferior limb of preopercle naked; scales on top of head extend- 

 ing to above front rim of eye. 

 z 1 . Body with yellow crossbands; teeth in double series, those on 



outer row neither contiguous nor truncate P. fasciatus. 



z 2 . Body with dark crossbands; teeth in a single series, closely set 



and more or less truncate P. brevieeps. 



P. ovoides. 

 a*. Dorsal spines 14. 



aa 1 . Teeth with emarginate edges; body with a series of white transverse 



lines P. albolineatus. 



oo*. Teeth with rounded edges; body without a series of white transverse 



lines. 

 bb l . Pectoral with a rather large black spot covering almost entirely 



its base; anal uniformly deep brown P. opisthostigma. 



bb*. Pectoral with a small black spot superiorly at its base and axil; 

 posterior third of anal black and the remaining portion whitish 

 or whitish violet P. tablasensis. 



POMACENTRUS LIVIDUS (Forater) 



Chaetodoy lividus FORSTEB, Des. Anim. Licht. (1844) 227. 

 Eupomac'tntrus lividus BLEEKER, Nat. Verh. Holl. Maats. Wet. 2 



(1877) 73; Atlas Ichth. 9 (1878) pi. 403, fig. 5. 

 Pomacentrus lividus GUNTHER, Fische der Siidsee 2 (1876) 228, pi. 



124, fig. F; JORDAN and SEALE, Bull. U. S. Bur. Fisheries 25 (1906) 



283; WEBER, Fische der Siboga Exped. (1913) 340. 

 Pomacentrus cyanospilus MEYER, Ann., Soc. Espana Hist. Nat. 14 



(1885) 34. 



Dorsal XII, 15 or 16; anal II, 12 to 14; scales in lateral series 

 25; with tubules 16 to 18; between lateral line and origin of 

 dorsal 3; between lateral line and vent 10. 



Body markedly oblong, dorsal profile deeper than ventral 

 and more arched anteriorly than posteriorly; depth of body 

 2 to 2.1 in length; head 2.8 to 3; depth of caudal peduncle 5.7 to 

 7.3. The wide, evenly convex-jnterorbital 2.7 to 3.4 in length of 



