242 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



young, truncate with age ; least depth of caudal peduncle 2% to 2% ; 

 pectoral II/3 to II/2 ; ventral 1% to 1%. 



Brown, paler below. Arched dusky band from head above till 

 about opposite anal. From third to seventh dorsal spines second 

 dusky band bends in parallel arch to upper part of caudal base. 

 Along soft dorsal base third short paler band, though darker than 

 body color. Between uppermost dark band and second numerous 

 dark spots. Ventrals usually with dark tips. 



Ceylon, India?, Tonkin, China, Japan. A handsome species, with 

 quite distinctive color pattern. 



49464 U.S.N.M, Tokyo, Japan. Albatross Collection. Length 125 to 128 mm. 



2 examples. 



49469 U.S.N.M. Yokohama. Albatross Collection. Length 105 mm. 



49474 U.S.N.M. Tokyo. Albatross Collection. Length 147 mm. 



57522 U.S.N.M. Japan. P. L. Jouy. Length 175 mm. 



75489 U.S.N.M. Wakanoura. Jordan and Snyder, Length 288 to 292 mm. 2 



examples. 



PLECTORHINCHUS ALBOVITTATUS (Ruppell) 



Diagramma albovittatum Rtjppell, Neue Wirbelth., Fische, 1835, p. 125, pi. 31, 

 fig. 2. Massaua.— GuNTHER, Cat. Fish. Brit. Mus., vol. 1, 1859, p. 330 

 (copied). — Playfair, Fishes of Zanzibar, 1866, p. 8. — Klunzingeb, Verb, 

 zool. bot. Ges. Wien, vol. 20, 1870, p. 736 (Kosier, Red Sea). — Mabtens, 

 Preuss. Exped. Ost Asien, 1876, p. 387 (Ternate). — Klunzinger, Fische 

 Roth. Meer., 1884, p. 31. — Meyek, Anal. Soc. Espan. Hist. Nat., Madrid, vol. 

 14, 1885, p. 14 (Macassar, South Celebes; Cebu). 



Plectorliynchus albovittatus Bleeker, Atlas Ichth. Ind. Neerland., vol. 8, 1867- 

 1877, p. 16, pi. (51)329, fig. 2 (Celebes). 



Plectorhinchus albovittatus Fowler, Mem. Bishop Mus., vol. 10, 1928, p. 205 

 (Marshall Islands). 



Depth 21/2 to 22/3 ; head 2% to 3, width 21/5 to 3%. Snout 234 to 

 24/^, 11/3 to 2% from snout tip; eye ^% to 34^, II/3 to 1% in snout, 

 little greater than interorbital in young to equal to interorbital with 

 age ; maxillary reaches eye, expansion 1% to 2 in eye, length 3l^ to 

 314 in head ; teeth conic, simple, uniform, in 5 irregular series with 

 outer row enlarged; interorbital 4 to 4i/^, broadly convex; preopercle 

 edge with 35 to 42 short, weak denticles. Gill rakers 8+19 to 21, 

 lanceolate, l^ of gill filaments, which 1% in eye. 



Scales 76 to 87 in lateral line to caudal base and 11 or 12 more on 

 latter; tubular scales 56 or 57 in lateral line to caudal base and 8 to 

 10 more on latter; 11 to 13 scales above lateral line, 18 or 19 below, 

 41 to 46 predorsal scales forward opposite front nostril, 20 to 23 

 rows on cheek. Scales with 5 basal radiating striae and 1 to 3 in- 

 complete auxiliaries; apical denticles 43 to 48, slender points, with 

 5 to 7 transverse series of basal elements ; circuli very fine. 



D. XIII, 19, 1, third spine 2i^ to 2% in total head length, eleventh 

 ray 12^ to 1%; A. Ill, 7, i, second spine 1% to 21/3, second ray 



