N0.1296. J APANEf^E CHjETODONTID^E— JORDAN AND FOWLER. 555 



spot at the base of the last soft dorsal rays on the caudal peduncle 

 above and a similar one at the base of the last anal rays below; edge 

 of tlie groove of the caudal spine black; lips black, outer portion of 

 the ventral rays blackish. Length 6^^ inches. Here described from 

 a specimen from Kotosho, Formosa. 



This species is found in the Kiukiu Islands, a specimen })eing in the 

 Imperial Museum from Miyakoshima. We have also two specimens 

 from Kotosho, Formosa, and of this or some closely related species 

 from Hawaii. The species ma}^ be known by the black l)lotch in the 

 axils of the dorsal and anal, in connection with the uniform l)lackish 

 coloration. In the description of Aca7ithui'us iu</i'oris no mention is 

 made of this ver}- conspicuous character. It is not likeh^ therefore 

 that Valenciennes's tish belonged to the present species. 



{hip an ctatus, two-spotted . ) 



13. ZEBRASOMA Swainson. 



Zebrasoma Swainson, Nat. Hist. Anim., II, 1839, p. 256 {rellfer). 

 Scopas Kner, Novara Fisc^he, 1865, p. 212 {scopan). 



This genus differs from Teuthis in the short spinous dorsal of -i or 

 5 graduated spines; soft dorsal high; snout short, projecting at an 

 angle. Asiatic seas. 



(zebra, (roS/vcir, body, from the cross-bands of the typical species.) 



23. ZEBRASOMA FLAVESCENS (Bennett). 



^mn</ittrws^awscens Bennett, Zool. Journal, IV, 1828, p. 40 (yellow form). 



Amntlmrvs jlavescens GItnther, Fische Sudsee, I, 1873, p. 116, pi. lx.wi; Tahiti 

 (probably not of Bennett). 



Acanthurus rhomheus Kittlitz, Mus. Senckenberg, I, 1834, p. 196, pi. .\ni, fig. 16. 



Acanthurus scopas Cuvier and Valenciennes, Hist. Poi.ss., X, 1835, p. 245, pi. 

 ccxc; He de France, Ulea. — Bleeker, Natur. Tydschr. Nederl. Ind., 1851, 

 p. 348. — Gi'icHENOT, Sagra Hist. Cuba, 1851, p. 122 (Cuba by error). — 

 GtJNTHER, Cat. Fish, III, 1861, p. 342; Ceram, Sandwich Islands, Aneituni. 



Acanthurus aliiirlis Cuvier and Vai.encie.wes, Hist. Poiss., X, 18.%, p. 249; He 

 de France. 



Head 3i; depth If. D. V-24; A. Ill, 19; P. 1-14; V. I, 5. Body 

 deep, compressed, and covered with minute rough scales. Head long, 

 oblique; snout much produced, ver^' concave above; eye high, 3^ in 

 the snout, •li in the head, and 1| in the interorbital space; nostrils 

 small, close together, directly in front and below the middle of the 

 eye: interorbital space flat, bones on top and sides of head, except 

 the cheeks, striated; mouth small, lips thin; teeth with denticulate 

 edges. Gill-opening short, almost as long as the snout; gill rakers 

 few and ver\' short. Origin of dor.sal over that of pectoral, and just a 

 trifle behind the eye; spinous dor.sal graduated to the last spine, which 

 is the longest, though not equal to the longest rays, and covered for the 

 n^.ost part with rather thick skin; soft dorsal rounded to the la.st rays, 

 which are the shortest; anal giaduated to the third spine, which is the 



