246 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Scales in lateral line 21 or 22, 5 + 2; 5 scales above lateral line, 

 11 below, 15 predorsal. Scales with 8 to 12 basal radiating striae; 

 marginal apical radiating striae 18 to 22; circuli very fine. 



D. IX, 11, I, ninth spine 3ro to 3}4 in head, first ray 2% to 2J^; 

 A. Ill, 11,1, third spine 33^ to 4, first ray 2}/^ to 2^; caudal 1% to 

 1%, truncate, rounded convexly behind when expanded; least depth 

 of caudal peduncle 1% to 2y&; pectoral 1^ to 1^; ventral 1^ to 2. 



Body with 4 broad blackish brown transverse bands, narrowing 

 little below, and last half of caudal peduncle and all of caudal same; 

 interspaces pale to whitish. Head pale brown, with 4 or 5 slightly 

 obhque irregular gray bands, 2 from eye passing forward over front 

 of snout. Pectoral base black, fin pale buff. Other fins all more or 

 less dusky to blackish. Young show blue spot at last scale of upper 

 section of lateral line, 1 at caudal base on lower section and another 

 at end of last tube on caudal. 



Red Sea, East Africa, Mauritius, India, East Indies, Micronesia. 

 Variation is noticed in that the last and penultimate white band may 

 be absent sometimes. Also some examples have other scales blue, 

 appearing as spots and scattered variously on tail. Pale bluish or 

 gray spots on predorsal and front of back not always evident as in 

 Bleeker's figure of Hemigymnus fasciatus. 



5681. Agojo Point, Catanduanes Island. June 10, 1909. Length, 155 mm. 



22108. Alimango Baj^, Burias Island. March 5, 1909. Length, 150 mm. 



16360 and 23732. Biri Channel, BaUcuatro Islands. June 1-2, 1909. Length, 

 105 to 153 mm. [1575.] Head yellowish green above, whitish below; bronzy- 

 stripe across nose from below eyes; dash of same in front of each eye and spot 

 behind; another spot on opercle and blotch across lower cheek and backward 

 to opercle; body black, fading to bronzy; breast silver white, behind pectoral 

 four silver white bars from belly; first across middle of abdomen about IJ^ 

 diameters of eye, running to point below base of dorsal above; second narrower, 

 running upward from front of anal fin; third from near middle of anal fin and 

 fourth behind axil of anal and dorsal extending ai'ound peduncle; these about 

 half diameter of pupil. Dorsal ochraceous, tips of spines and margin of soft- 

 fin black; body of fin crossed obliquely bj^ narrow slaty bars, these broken 

 into spots on spinous portion. Caudal dusky ochraceous, a few blackish 

 spots at base and on peduncle. Anal nearly black, fading to somewhat ochry, 

 margin black, slaty purple bar through middle of outer half. Ventrals black. 

 Pectorals dusky hyaline. 



5355 and 5356. Bumbum Island. September 25, 1909. Length, 160 to 173 mm, 



16810. Butaunanan Island. June 12, 1909. Length, 175 mm. 



11060 and 11061. Butaunanan Island. June 13, 1909. Length, 162 to 177 mm. 



5676. Cabugan Island, Hinunangan Bay, Leyte. July 30, 1909. Length, 

 210 mm. [1779.] Lips pale, hinder portion of upper becoming greenish 

 yellow; top of head dusky emerald, side lighter, bars across being dusky 

 vinaceous, margined with blue; black of back and body fades to reddish 

 umber exposing blue spots at bases of scales along back. Dorsal tawny after 

 black disappeared, margin blue, base similar; row of blue spots through center 

 of soft portion extending into last two spinous membranes. Tip of peduncle 

 and caudal fin fading from blackish to tawny ocher, rays olive green. Anal 

 black, margined with blue and broken blue bar within separated by bar of 



