384 Occasional Papers Bernice P. Bishop Museum.

long falcate pectorals and pale coloration are other characters of distinction. Compared with four examples of Aphareus furcatus I find that species to have the gill-rakers but a to v, 4 to 6+ t6 to 18.

MULLIDAE
Upeneus barberinus (Lacepede).

PSEUDOCHROMIDAE
Pseudochromis polyacanthus Sleeker.

LABRIDAE
Leptdaplois modestus (Garrett).
Coris variegata (Happen).
Julis greenovii Bennett.

CALLYODONTIDAH
Scaridea balia Jenkins.
Callyodon troscheli (Bleeker).
Callyodon xanthopleura (Bleeker).

HISTIOPTERIDAE
Histiopterus typos Schlegel.
One from Hilo.

CHAETODONTIDAE
Chaetodon collaris Bloch.
Hemitaurichthys polylepis (Bleeker).
Hemitaurichthys thompsoni new species.

Head 31/3; depth 13/4; I). XII, 26; A. III, 21 ; P. II, 17; V. I. 5; scales 81 close above and along lateral line to caudal base, and about 15 1101, 0. On latter; tdbular scales in lateral line 79 to caudal base; 18 scales above lateral line to base of first dorsal spine, 7 above to base of first dorsal ray, 40 below to spinous anal origin ; about to predorsal scales; head width 21/3 in its length; mandible 2; sixth dorsal spine 21/3; seventh dorsal ray 13/5; third anal'nal spine ru/io; third anal ray 11/3; least depth of caudal peduncle 27/8; caudal (tips damaged) I; pectoral 1; ventral I: out 22/3 in head measured from upper jaw tip; eye 31/4; maxillary 4 I/6 ; interorbital 31/3.

Body deeply ovoid, strongly compressed, greatest depth at tip of depressed ventral spine. Caudal peduncle small, well compressed, length 3/5 in its least depth.
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