18 SQUAMIPINNES. 



eve ; prsEoperculum entire ; the dorsal and anal fins rounded poste- 

 riorly. Head, body, and fins with three pairs of brown cross-streaks ; 

 a single brown streak from the symphysis of the upper jaw to the 

 nape "of the neck; another vertical streak over the tail (where it is 

 broadest), and over the soft portions of the dorsal and anal fins: 

 the anterior streak of the first pair is the ocular band, which, half 

 as wide as the orbit, extends over the chest. Ventrals white ; caudal 

 with a blackish cross-band near the base. 



East Indian Seas. 

 a, b. Fine specimens. Singapore. 

 e. Adult : skin. From Gronov's Collection. 



28. Clisetodoii ulietensis. 



Cuv. (§• Val vii. p. 39 ; Bleek. Act. Soc. Nedcrl. i. Amboina, p. 38. 

 D.i?. A.1 L.lat.30. 

 The snout is pointed; praeoperciilum crenulated at the lower 

 margin ; dorsal and anal fins roimded posteriorly. The ocular band 

 is nearly as broad as the orbit, and extends over the interoperculum 

 from the middle of the neck ; snout brownish-violet ; forehead with 

 small white cross-streaks. Body with two very broad violet cross - 

 bands, the anterior from between the fourth and eighth dorsal spines 

 to behind the root of the pectoral, the posterior from the origin of 

 the soft dorsal to the anterior half of the anal ; there are, moreover, 

 about seven blackish streaks crossing the body, on, and lietwecn, the 

 bands described ; tail with a black cross-band. The soft doreal 

 with a hght brownish band and a brown edge ; the soft anal with 

 two light-brown bands and with a blue and blackish edge ; caudal 

 with a black cross -band near the margin, which is transparent; 

 ventrals yellow. (Bl.) 



Seas of Amboyna, Ternate, and Ulietea. 



29. Chsetodon robustus. 



D. 1?, A. ■^. L. lat. 35. L. transv. 5/15. 



The snout is moderately produced and somewhat conical ; the 

 lower pi-aeopercular margin slightly denticulated ; the doreal and 

 anal fins rounded posteriorly. The ocular band is much narrower 

 than the eye, and reaches over the interopercidum. A brown ver- 

 tical band from the third and fourth dorsal spines to behind the base 

 of the pectoral ; another much broader one is white-edged, and 

 extends from the tips of the last five dorsal spines over aU the soft 

 dorsal downwards to the posterior thii-d of the base of the anal ; a 

 narrow brown band round the free portion of the tail ; a single brown 

 streak along the middle of the upper surface of the head. Caudal, 

 anal, and ventral fins white (in spirits). 

 a. Adult. From the Haslar Collection. 



Description of the specimen. — This species has the body much 

 elevated, its greatest height being nearly two-thirds of the total 



