CHRLMON. FISHES. 483 



C. setifer, Block. Body ovate, pale yellow, with a tinge of crimson 

 on the back, and marked with numerous oblique crimson stripes ; 

 a broad black band across the head passing over the eyes ; and on 

 the hinder part of the dorsal fin a large round black spot bordered 

 with white, over which a long setiform ray. 6 inches long. In- 

 habits Indian seas Block, pi. 426, fig, 1. 



Gen. 138. CHELMON, Cuv. 



Body much compressed, high vertically ; dorsal and anal fins 

 covered with scales ; teeth crowded, bristly ; snout prolonged, 

 forming a narrow cylindrical beak. 



C. rostratus, Cuv. Body broad, whitish, with longitudinal brown 

 lines and four transverse black bands, bordered with white ; a 

 black spot on the back bordered with white. 6 to 8 inches long. 

 Inhabits fresh waters in India. Block, pi. 202. 

 This species possesses the power of syringing water from its tubular mouth to a 



distance for the purpose of stunning the insects upon which it feeds. 



C. longirostris, Cuv. Body oblong, rhomboidal ; head brown ; snout 

 elongated ; body yellowish or citron-coloured ; dorsal and anal fins 

 citron-colour, with a black streak behind, margined with white ; 

 a black spot towards the tip of the anal tin. Inhabits Pacific 

 Ocean. Shaw, iv. 368. 



Gen. 139. PLATAX, Cuv.Chcetodon, Bloch. 

 Body much deeper than long ; snout obtuse ; teeth small, crowd- 

 ed; dorsal and anal fins excessively long and pointed; spines of 

 the dorsal fin concealed in the rising edge of the fin, and the 

 first rays much elongated. 



P. Teira, Cuv. Body silvery whitish, with three black bands ; dor- 

 sal and anal fins extremely elongated ; ventral fins black. 4 in- 

 ches long. Inhabits Indian and Arabian seas Shaw, iv. pi. 48. 



P. pentacanthus, Cuv. Body orbicular ; lower jaw projecting, with 

 five spinous rays in the dorsal fin ; vertical fins less elevated than 

 the preceding. Inhabits South seas Lacep. iv. pi. 1 1, fig. 2. 



Gen. 140. HENIOCHUS, Cuv. Chcetodon, Bloch. 

 Body compressed ; teeth small ; scales large ; first dorsal spines 

 prolonged into a long whip, behind these shorter spines, and 

 then the ordinary soft rays. 



H. macrolepidotus, Cuv. Body silvery, with two broad brown bands; 

 fourth ray of the dorsal fin very long, filamentous. Inhabits wa- 

 ters in India. Bloch, pi. 200, fig. 1. 



Gen. 141. EPHIPPUS, Cuv. 



Body compressed ; teeth small ; dorsal fin with a notch between 

 the spinous and soft portion. 



E. Argus, Cuv. Back violet, shading to white towards the belly, 

 marked with round brown spots ; fins short and yellow, the dorsal 

 one with eleven spines. Inhabits waters in India. Bloch, pi. 204. 



