124 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



n^ Body oblong. 



s\ Infraorbitals scaleless. 

 <\ Body without transverse bands. 

 m\ Dorsal spines graduated up to last, which longest. 

 ^•^ Gray, brown, or blue, spotted with white or sky-blue. 

 w\ Caudal forked; dark spot at pectoral origin; pale 



submarginal band on anal bleekeri. 



w^. Caudal emarginate ; sky-blue band from above eye to 



dorsal fin ; black spot at pectoral base- biocellatus. 



w'. Caudal truncate ; no dark spot at pectoral origin ; 



anal without pale band cyaneus. 



^J^ Body yellowish-brown, without blue spots., 

 a?'. No black blotch at bases of last dorsal rays. 



glaucus. 

 a^. Black blotch at bases of last dorsal rays. 



leucogaster. 

 u\ Front and hind dorsal spines equal. 



y^. Black blotch at bases of last dorsal rays ; size 



moderate unlocellatus. 



if. No black blotch at last dorsal rays; each scale 

 with 2 dark vertical bars ; blackish horizontal 

 bands on muzzle and clieek ; size small. 



sapphirus. 

 f. Body with transverse bands, ground-color dark. 



is^. Three white transverse bands ; no white spots. 



amabilis. 

 ^^ Four transverse white bands ; white spots present. 



albofasciatus. 

 z'. Single white transverse band; white spots pres- 

 ent zonatus. 



s*. Infraorbital scaled. 



a*. Caudal and last dorsal rays pale; anal dusky azysron. 



a'. Caudal and anal yellow. 

 &'. Dark scapular blotch and smaller blotch at pectoral origin, axil pale. 



bankieri. 

 h\ No dark scapular blotch and large blotch at pectoral origin and into axil 



of fin melanocarpus, 



a". Caudal with submarginal dark band above and below anabatoides. 



ABUDEFDUF SAXATILIS (Linnaeus) 



Chaetodon saxatilis Linnaeus, Syst. Nat., ed. 10, 1758, p. 276. India. — 

 OsBECK, Reise Ost Ind. Gliina, 1765, p. 356 (China). — Forskal, Dt script. 

 Animal., 1775, pp. xiii, 62 (Djedda). — Bloch, Naturg. Ausl. Fisch., vol. 

 3, 17S7, p. 96, pi. 206, fig. 2 (East Indies. Arabia). 



Glyphisodoii saxatilis Rxjppell, Atlas Reise Nordl. Afr., Fisch., 1828. p. 35 

 (Red Sea).-— Martens, Verb. zool. hot. Ges. Wien, vol. 66, 1866, p. 378 

 (Scherm Abu-Nechle, Red Sea). — Jordan nnd Snyder, Proc. U. S. Nat. 

 Mus., vol. 24, 1902, p. 608 (Misaki, Yagoshima, Enoshima, Shimoda, 

 Formosa). — Fowler, Journ. Acad. Nat. Sci. Phila., ser. 2, vol. 12, 1904, 

 p. 535 (Padang, Sumatra). 



Gliiphidodon saxatilis Klunzinger, AVrh. zool. bot. Ges. Wien, vol. 21, 

 1871, p. 524 (Red Sea). — Kossmanx and Rauber, Zool. Ergebn. K. Acad. 

 Wiss. Berlin, vol. 1, 1877, p. 24 (Red Sea).— GtJNTHER, Rep. Voy. Chal- 

 lenger, vol. 1, 1880, p. 4 (St. Paul's Rocks, Indian Ocean). — Giglioli, 



