258 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



margined with white below; posteriorly yellowish bars become narrower or even 

 obsolete on caudal peduncle; head and front of ocular band dusky lemon yellow, 

 breast brighter. Dorsal and anal like darker body color, bars obsolete; on 

 hind part of dorsal about 4 pale lines; vertical edges of both fins white. Cau- 

 dal peduncle black. Caudal dusky hyaline, lemon yellow at base. Ventral 

 lemon yellow, becoming blackish toward margin. 



7310. Sablayan Bay, Mindoro. December 12, 1908. Length 298 mm. 



6904. Santo Domingo, Batan. November 7, 1908. Length 290 mm. 



5826. Tataibada Port. May 15, 1908. Length 223 mm. 



7179, 7185. West coast of Palaui Island. November 18, 1908. Length 200 to 

 220 mm. 



6958. West coast of Sabtan Island. November 8, 1908. Length 250 mm. 



8726. Yaua River, Caracaran, Batan Island. June 8, 1909. 



A881. Limbe Strait, Celebes. November 10, 1909. Length 180 mm. 



19790. Gomomo Island. December 3, 1909. Length 90 mm. 



21294 U.S.N. M. No locality. Length 183 mm. As Zehrasoma ruppelii. 



30588 U.S.N. M. New Guinea. Australian Museum. Length 163 mm. 



30606 U.S.N. M. New Guinea. Australian Museum. Length 185 mm. 



52350 U.S.N. M. Apia, Samoa. Bureau of Fisheries. Length 58 to 260 mm. 

 Three examples. 



52745 U.S.N. M. Hawaiian Islands. Bureau of Fisheries 1901-2. Length 285 

 mm. 



55332 U.S.N.M, Honolulu reef. Albatross collection. Length 119 to 125 mm. 

 Two examples. 



55546 U.S.N.M. Hawaiian Islands. Length 102 to 112 mm. Two examples. 



65393 U.S.N.M. Rikitea, Mangareva. Albatross collection. Length 145 mm. 



66084 U.S.N.M. Tahaa, Society Islands. Albatross collection. Length 227 to 

 252 mm. Two examples. 



82944 U.S.N.M. Samoa. Wilkes Exploring Expedition. Length 68 mm. 



ZEBRASOMA GEMMATUM (Valenciennes) 



Acanthurus gemmatus Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 255. 

 Mauritius. — Gunther, Cat. Fish. Brit. Mus., vol. 3, 1861, p. 343 (copied). 



Depth 2P5 in total. Front with weakly sigmoid profile. Eye 

 scarcely above middle in head depth. Teeth 14 in each jaw, oval, 

 well serrated. Scales minute. D. IV, 28, spines strong. A. Ill, 24, 

 spines strong. Dorsal and anal moderately elevated, half body 

 depth. Caudal truncate. Brown, marked everywhere with small 

 white spots, somewhat in longitudinal rows on body. Caudal yellow, 

 without dots. Length 101 mm. (Valenciennes.) 



Differs from Zehrasoma veliferum in the different color pattern, the 

 body marked with small white dots. 



ZEBRASOMA FLAVESCENS (Bennett) 



Acanthurus flavescens Bennett, Zool. Journ., vol. 4, 1828, p. 40. Hawaiian 

 Islands; Proc. Zool. Soc. London, 1831, p. 61 (Mauritius). — Gunther, 

 Journ. Mus. Godeffroy, vol. 4, 1875, p. 116, pi. 76 (Society Islands, Tahiti, 

 Samoa, Hawaii, New Hebrides). — Satjvage, Hist. Nat. Madagascar, Poiss., 

 1891, p. 342. 



.Zebrasoma flavescens Jordan and Fowler, Proc. U. S. Nat. Mus., vol. 25, 

 1902, p. 555 (Okinawa and Hawaii). — Fowler, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1923, p. 42 (Madagascar). — Fowler and Ball, Bishop Mus. 



