270 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
We have seen only 4 specimens, all from Honolulu, 3 obtained by Dr. Jenkins and one bj^ Dr. 
Wood. Each is 6 inches long. 
Ileliastes oval is Steindarhher, Denks. Ak. Wiss. Wien, LXX, 1900, 502, Honolulu. 
Chromis velox Jenkins, Bull. U. S. Fish Comm., XIX, 1899 (June 8, 1901), 393, fig. 6 , Honolulu. (Type, No. 49698, U. S. N. M., 
Coll. O. P. Jenkins.) 
Chromis ovalis, Jenkins, Bull. U. S. Fish Comm., XXII, 1902 (Sept. 23, 1903), 458 (Honolulu). 
Genus 144. POMACENTRUS Lacepede. 
Body ovate, or oblong, compressed, the profile steep, usually rounded; head moderate, nearly as 
deep as long, the snout scaly, the lower jaw scaly or naked; mouth quite small, terminal, the jaws 
equal; each jaw armed with 1 or 2 close-set series of compressed, immovable teeth, which are truncate 
or rounded at tip, sometimes a few small teeth behind these; gillrakers long; preopercle more or less 
serrate; preorbital serrate; scales large, strongly ctenoid, the lateral line. running parallel with the back 
to near end of dorsal fin, at which point it ceases; dorsal fin continuous, with 12 or 13'low stout spines; 
membrane of spinous dorsal usually not deeply incised nor lobed, the soft part more or less elevated, 
its last rays gradually shortened; lower limb of preopercle usually more or less scaly; preorbital 
narrow, without deep notch; anal fin similar to soft dorsal, with 2 spines, of which the second is much 
the larger; soft rays 12 to 16; dorsal spines with a sheath of large scales, -the membranes of both dorsal 
and anal covered high up with small scales; caudal fin more or less forked, the lobes rounded; lower 
pharyngeals triangular; branchiostegals 5 or 6. Species numerous in the tropical seas; extremely 
variable in form and color, the brilliant coloration apparently dependent on surroundings. 
Pomacentrus Lacepede, Hist.. Nat.Poiss., IV, 508, 1802 (paw); 'teeth biserial, -soft dorsal short, often elevated; caudal deeply 
forked, teeth truncate. 
Pristotis Ruppell, Neue Wirbelthiere, Fische, 128, 1838 (cyanostigma) . 
Pscudopomacentrus Bleeker, Verh. Holl. Maals. Weten., II, 1877, 40 ( liUoralis ); teeth rounded; preorbital notched; caudal 
lunate. 
Parapomacentrus Bleeker, Nat. Verh. Holl. Maats. Weten., II, 1877, 65 (polynema)-, teeth uniserial; lower jaw scaly; snout 
scaly; spinous dorsal with membrane incised and lobed. 
Amblypomacentrus Bleeker, Nat. Verh. Holl. Maats. Weten., II, 1877, 68 ( breviceps ); snout and lower jaw naked. 
Fupomaccntrus Bleeker, Nat. Verh. Holl. Maats. Weten., II, 1877, 73 (livid us); snout scaly; lower jaw naked; membranes 
of spinous dorsal net notched; teeth uniserial. 
Brachypomacentrus Bleeker, Nat. Verh. Holl. Maats. Weten., II, 1877, 73 ( albifasciatus)\ as above: membrane of spinous 
dorsal deeply notched. 
211. Pomacentrus jenkinsi Jordan & Evermann. Fig. 115. 
Head 3.4 in length; depth 1.8; eye 3.3 in head; snout 4; maxillary 3.2; interorbital 2.75; D. xiii, 
16; A. ii, 13; scales 4-29-11; Br. 4. 
Body ovate, deep, compressed, dorsal outline rather steep, evenly curved from tip of snout to soft 
dorsal, following edge of scales on spinous dorsal; head deeper than long, compressed, subconic; snout 
bluntly conic, jaws equal; maxillary reaching anterior edge of eye; mouth small, horizontal; a single 
row of close-set, incisor teeth in each jaw; posterior edge of preopercle roughly serrate; opercle ending 
in 2 short flat spines, the upper very obscure; interorbital wide, strongly convex; fins rather large; 
origin of dorsal over ventral, origin of each equally distant from tip of snout; first 2 or 3 dorsal spines 
shorter than others; others about of equal length, shorter than the longest dorsal rays, thelnedian rays 
being longest, 1.5 in head; caudal forked, lobes rounded, upper the longer; anal rounded, longest ray 
1.5 in head, second spine rather stout and strong, 2.2 in head; ventrals long, reaching vent, 1.1 in head; 
pectoral broad, upper rays the longer, 1.2 in head; scales large, finely ctenoid; body and head, except 
lower jaw and snout, scaled, scales on top of head small; bases of all the fins except ventrals well 
covered with fine scales, those on spinous dorsal larger; lateral line concurrent with dorsal outline to a 
line under base of third or fourth dorsal' ray, where it drops 3 rows of scales to middle of caudal 
peduncle, thence continuing to base of caudal fin, the detached portion little developed. 
Color in life, ground dark drab; central portion of scales olivaceous, each one with black on lower 
part of posterior edge forming vertical bands on body; axil black; outer border of dorsal fin, above 
scaled part, black; pectoral dusky olivaceous, black at base; ventral and anal black; caudal dusky 
with posterior border lighter; iris bright yellow. 
