240 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



56019 U.S.N.M. Jolo. Bureau of Fisheries (4064). Length 270 mm. Most of 

 broad dark longitudinal bands subdivided, at least on head, by median 

 narrow pale line. 



PLECTORHINCHUS POLYTAENIA (Bleeker) 



Diagramma polytaenki Bleeker, Nat. Tijds. Nederland. Indie, vol. 3, 1852, 



p. (740) 755. Macassar. 

 Diagramma polytuenia Gunther, Cat. Fish. Brit. Mus., vol. 1, 1859, p. 332 



(Port Essington). 

 Plectorhynchus polytaenia Bleekee, Atlas Ichth. lud. Neerland., vol. 7, 1873- 



1876, pi. (17) 295, fig. 3; vol. S, 1876-1877, p. 23 (Celebes, Solor, Ternate. 



Bat j an, Amboina). 

 Pleotorhinchus polytaenia Fowler and Bean, Proc. U. S. Nat. Mus., vol. 62. 



1922, p. 33 (Zamboanga). (Misprint.) 

 Plectorhinchus polytaenia Fowler, Mem. Bishop Mus., vol. 10, 1928, p. 207 



(compiled). 

 Diagramma polytaenioides Bleeker, Nat. Tijds. Nederland. Indie, vol. 6, 1854, 



p. 877. Lawajong, Solor Island. — Gunthbe, Cat. Fish. Brit. Mus., vol. 1, 



1859, p. 333 (Amboina) ; Cruise of Curagoa, Breuchley, 1873, p. 410 



(Misol, Moluccas). 

 PlectorhyncJius polytaenioides Blb^^ee, Atlas Ichth. Ind. Neerland., vol. 7, 



1873-1876, pi. (15) 293, fig. 2. 

 Diagratmna ouan Thiolll&re, Fauna Woodlark, 1857, p. 157. Woodlark Island. 



Depth 24^ to 2% ; head Si/g to 3%, width 1% to 21/5. Snout 2i/^ 

 to 2% in head ; eye 3i/^ to 4, 1% to 1% in snout, little greater to 1 xV 

 in interorbital ; maxillary y^ in eye, length 2% to 3 in head; teeth 

 fine, in bands in jaws; interorbital 3i^ to 3%? convex; hind pre- 

 opercle edge finely serrate. Gill rakers 8 to 10+18 to 21, lanceolate,. 

 1% in gill filaments, which 1% in eye. 



Scales 102 to 105 counted close along above lateral line to caudal 

 base ; 50 or 60 tubular scales in lateral line to caudal base and 9 more 

 on latter; 16 or 17 scales above lateral line to soft dorsal origin,^ 

 20 or 21 below, 50 to 57 predorsal scales forward slightly before 

 front nostril. Scales with 5 or 6 basal radiating striae; apical 

 denticles 50 or 51, small, slender points, basal elements in 13 or 14 

 transverse series; circuli very fine. 



D. XII or XIII, 21, I, third spine 21/3 to 21/2 in head, second 

 ray 3 to 3%; A. Ill, 7, i, second spine 21/3 to 21/5, third ray 1% 

 to 2; caudal I14, truncate or very slightly emarginate; least depth 

 of caudal peduncle 2% to 3 ; pectoral 11/5 to li/4 ; ventral 11/5 to 11/3. 



Brown with 9 gray or whitish longitudinal bands, widest along 

 middle of side. Between white lines each brown band narrowly 

 edged or bordered with darker. Fins uniform dull brown. Iris 

 yellowish. 



East Indies, Philippines, Queensland, Melanesia. With its im- 

 maculate fins and dark brown longitudinal bands on the body, each 

 with a dark bordering line, this species is unique in its coloring. 



