220 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



LABRICHTHYS CYANOTAENIA Bleeker 



Labrichthys cyanotaenia Bleeker, Nat. Tijds. Ned. Indie, vol. 6, 1854, 



p. 331. Larantuka, Flores; Atlas Ichtli. Ind. N6erl., vol. 1, 1862, p. 154, 



pi. 22, fig. 1 (Flores).— GtJNTHER, Cat. Fish. Brit. Mus., vol. 4, 1862, p. 



116 (copied). 

 Labrichthys cyanolaenius Gunther, Ann. Mag. Nat. Hist., London, ser. 3, 



vol. 8, 1861, p. 385 (name only). 

 Thysanochilus cyanotaenia Gunther, Journ. Mus. GodeflFroy, vol. 7 (15), 



1881, p. 242 (Zanzibar, Flores, Samoa). 

 Thysanocheilus ornatus Kner, Anz. Akad. Wiss. Wien, 1865, p. 185. Upolu, 



Samoa. — Kner, Denks. Akad. Wiss. Wien, vol. 24 (1), 1865, p. 5, pi. 3, 



figs. 1, la and 16. (Upolu). 

 Labrichthys australis Strindachner, Verh. zool. bot. Ges. Wien, vol. 16i 



1866, p. 476. South Seas. 

 Platyglossus ocellatus Kner and Steindachner, Sitz. Akad. Wiss. Wien, 



vol. 54 (1), 1866 (1867), p. 377, fig. 8. Upolu, Samoa. 

 Chaerojvlis castaneus Kner and Steindachner, Sitz. Akad. Wiss. Wien, 



vol. 54 (1), 1866 (1867), p. 394, text figs. a. b. Upolu (same types as 



Platyglossus ocellatus) . 



Depth 2ji to 2'J4;. head 2^ to 2^4, width 23^ to 2^. Snout 

 3 to 33^; eye 4^ to 6, 1% to 2 in snout, 13^ to IJ/g in interorbital; 

 maxillary reaches 3^ to ^/^ in snout, 4 3^^ to 5 in head; interorbital 

 33^ to 4%, convex. Gill rakers 10, short, weak points on lower 

 branch of first arch. 



Scales in lateral line 20, 5+0 or 1; 5 scales above lateral line, 11 

 below, 28 to 35 predorsal, forward midway on snout. Scales with 

 33 to 43 basal radiating striae; apical radiating striae 13 to 19; 

 circuli fine. 



D. IX, 11,1, ninth spine 3 to 334 in head, first ray 2^ to 3; A. Ill, 

 10, I, third spine 53^ to 53^, first ray 3 to 3^; caudal 13^, convex; 

 least depth of caudal peduncle l^^ to 2; pectoral IJ/^ to 1 1^; ventral 

 2}4 to 2% in combined head and body. 



Vandyke brown generally, with line of blue spots, 1 to each scale, 

 longitudinally. Some examples with gray white area behind gill- 

 opening, variably of 6 to 8 scales wide. Blue lines from scales all 

 crowd variably on head forward. Vertical fins largely blackish, 

 with whitish or buff edges and dorsals and anals with several longi- 

 tudinal bluish lines within dark area. On caudal several vertically 

 directed bluish lines, variably reticulate. Pectoral base blackish, 

 rest of fin pale brown, often more grayish terminally. Ventral dusky 

 to blackish, with anterior marginal, median and posterior longi- 

 tudinal blue line. Iris deep oUve brown. 



Zanzibar, East Indies, Samoa. Not previously reported from the 

 Philippines. 



20486. Batan, Rapurapu Strait. June 5, 1909. Length, 96 mm. [1587.] 

 General color brownish black; from level of upper pectoral base anterior side 

 to above front of anal crossed by narrow bluish stripe through center of each 

 row of scales, margins being dark, almost color of darkest portion of body; 



