JAPANESE CH^TODONTW.E— JORDAN AND FOWLER. 553 



ning of anal fin; the fourth begins on l^ase of first dorsal ra}^ and ex- 

 tends to first anal ray; the fifth begins at base of seventh dorsal ray 

 and extends across side to base of fifth anal ray; a narrow, faint brown 

 bar from the beginning of the gill-opening below running low along 

 the sides of the abdomen to the last vertical stripe; a black spot on 

 upper and lower sides of caudal peduncle. Length 8f inches. Here 

 described from specimens from Okinawa. 



Pacific Ocean; verva])undant about rocky islands from New Zealand 

 and Australia to the rocky headlands of Japan. Our specimens from 

 Okinawa (adult) and Misaki (young). The Polynesian species, extend- 

 ing to the Revillagigedo Islands, and described as Teuthis triostegus 

 by Joi'dan and Evermann, is a distinct form, Teuthis sandwichensis 

 (Streets). 



(triostegus, rpsTs, three; ffreyoo, to cover.) 



21. TEUTHIS ARGENTEUS (Quoy and Gaimard). 



Acanthurus argenteus Quoy and Gaimard, Voy. Uranie, Zool., 1824, p. 372, pi. 

 XLUi, fig. 2; Sandwich Islands, Mariannes. — Cuvier and Valenciennes, 

 Hist. Nat. Poiss., X, 1835, p. 239. 

 Acroiiuru)^ argenteus GvNTHER, Cat. Fish., Ill, 1861, p. 346; Ascension Island. 

 f Anmtlturns Jullginosus Lesson, Voyage Coquelle, 1824, p. 149, pi. xxvii, fig. 2. 

 fAciiiilhurus matoides Cuvier and Valenciennes, rfist. Nat. Poiss., X, 1835, 

 p. 204; Oualan (Longest dorsal spine 3^ in depth of body). — Gunther, Cat. 

 Fish., Ill, 1861, p. 331; Amboyna, Pinang, Fiji. — Steindachner and Doder- 

 LEiN, Fische Japans, III, 1884, p. 37; Oshinia (near Misaki). 

 Acardlmrus annularix QA\\E.niin(\ Valenciennes, Hist. Nat. i'oiss., X, 1835, p. 209; 



He de France. 

 Acanthurus hluchl Cuvier and Valenciennes, Hist. Nat. Poiss., X, 1835, p. 209; 

 He de France, Seychelles. — Gunther, Fische Sudsee, I, 1873, p. 109, pi. lxix, 

 fig. 6; Caroline Islands, Seychelles, Society Islands, Samoan Islands, Palm 

 Island, Kingsmill Islands. 

 Acanthurus xanthopterus Cuvier and Valenciennes, Hist. Nat. Poiss., X, 1835, 

 p. 215; Seychelles.— Cantor, Cat. Malayan Fish., 1850, p. 209, pi. iv; 

 Malayan Archipelago. 

 fAcanthur)(s lamarrii Cuvier and Valenciennes, Hist. Nat. Poiss., X, 1835, p. 236; 



He de France (Anal rays III, 23.) 

 Acanthurus melanurus Cuvier and Valenciennes, Hist. Nat. foiss., X, 1835, 



p. 240; Pondicherry. 

 Ao'onurus melanurus GtJNTHER, Cat. Fish., Ill, 1861, p. 346; Borneo. 

 Head 3i; depth If. D. IX, 26; A. Ill, 24; snout If in head; eye 

 3^; pectoral equal to head; caudal one-fifth longer than head; longest 

 dorsal spine equaling longest soft ray, 1^ in head; ventral long, 1^ in 

 head. Body deep and compressed, the anterior profile steep, convex 

 before eye; caudal lunate, the upper ray one-third longer than middle 

 one. Bod}' slaty brown, mottled with gray, l)ut without bands; dorsal 

 with a bluish gray streak at base, then a bronze one, forking on soft 

 dor.sd, inclosing a bluish gray streak; 5 gray streaks and 4 bronze ones 

 on dorsal more or less distinct, especially in young; anal with 5 bluish 

 gray and 5 bronze streaks more oblique than those on the dorsal, and 



