222 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



LABROIDES DIMIDIATUS (Valenciennes) 



Cossyphus dimidiatus Valenciennes, EUst. Nat. Poiss., vol. 13, 1839, p. 136, 

 Mauritius. 



Labroides dimidiatus Gunther, Cat. Fish. Brit. Mus., vol. 4, 1862, p. 119 

 (East Indies); Fishes of Zanzibar, 1866, p. 87 (Zanzibar). — Klunzinger» 

 Verh. zool. bot. Gas. Wien, vol 21, 1871, p. 548 (Koseir, Red Sea). — 

 Peters, Monatsb. Akad. Wiss. Berlin, 1876, p. 443 (Mauritius). — 

 Day, Fishes of India, pt. 3, 1877, p. 393, pi. 87, fig. 1. — Gunther, 

 Journ. Mus. Godeffroy, vol. 7 (15), 1881, p. 243 (East Africa, Pelew 

 Islands, Yap, New Hebrides, Samoa, Hawaii). — Meyer, An. Soc. Hist. 

 Nat. Madrid, vol. 14, 1885, p. 35 (Manado). — Day, Fauna British India, 

 vol. 2, 1889, p. 397, fig. 133.— Regan, Trans. Linn. Soc. London, (2) Zool., 

 vol. 12, 1907, p. 230 (Maldives, Felidu).— Weber, Siboga Exp., vol. 57, 

 Fische, 1913, p. 363 (Savu Island). 



Labrus latovittatus (not LACEpfeoE) RtJpPELL, Neue Wirbelth., Fische, 1835, 

 p. 7, pi. 2, fig. 2. Tor, Red Sea. 



Labroides latovittatus Bleeker, Atlas Ichth. Ind. Nderl., vol. 1, 1865, p. 155, 

 pi. 44, fig. 1 (Amboina, Goram, Letti. Timor). 



Labroides paradiseus Bleeker, Nat. Tijds. Ned. Indie, vol. 2, 1851, p. 249. 

 Neira, Banda. — Gunther, Cat. Fish. Brit. Mus., vol. 4, 1862, p. 119 

 (East Indies). — Bleeker, Atlas Ichth. Ind. N(Serl., vol. 1, 1862, p. 155, 

 pi. 44, fig. 2 (Java, Cocos, Sumatra, Celebes, Sangi, Ternate, Batjan, 

 Buru, Amboina, Haruko, Banda, Goram, Letti). — Martens, Preuss. 

 Exp. Ost Asien, 1876, p. 397 (Amboina River). — Meyer, An. Soc. Hist. 

 Nat. Madrid, vol. 14, 1885, p. 35 (Sangi). — Elera, Cat. Fauna Filip., 

 vol. 1, 1895, p. 55 (Coast of Cebu). — Evermann and Seale, Bull. Bur. 

 Fisher., vol. 26, 1906 (1907), p. 94 (Bacon). 



Depth 43^ to 5; head 3^ to 3M, width 2 4^ to 3. Snout 3^ to 

 3/^; eye 43^ to 5, 13^ to 1}4 in snout, 134 in interorbital; max- 

 illary reaches 3^ to ^ to eye, 5 to 6 in head; lips thick, fleshy, both 

 with median division; interorbital 3^ to 3 5^, broadly convex. 

 Gill rakers 3+6, short rudiments. 



Scales in lateral line 36 to 40, 11 + 1; 5 scales above lateral line, 

 10 below, 9 or 10 predorsal. Scales with 16 to 22 basal radiating 

 striae, apical 11 to 16; circuli fine. 



D. IX, 11, I, ninth spine 4 to 5 in head, first ray 2^ to 3; A. Ill, 

 10, I, third spine 33^ to 4, first ray 23^^ to 2^; caudal l}i to 1%, 

 truncate; least depth of caudal peduncle 2 to 23^8) pectoral 1% to 

 1^; ventral 2i^ to 2>^. 



Back gray. Dusky ill-defined band from snout tip to spinous 

 dorsal and along its base. Black band from side of snout to pupil, 

 width greater than pupil and not quite equal to eye; continues 

 behind, expanding on caudal peduncle above to bases of upper median 

 caudal rays and then out over caudal fin to hind edge, where also 

 further expanded. Entire under surface of body white. Iris gray 

 white. Dorsal gray, with broad median dark gray longitudinal 

 band, black on first two membranes and extending back at median 

 paler longitudinal band length of whitish soft dorsal. Anal whitish, 

 with blackish basal longitudinal band. Along lower caudal lobe 



