248 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



with the inner ray shortest ; caudal fin deeply forked, the lower 

 lobe longest. Sides with a silvery band. 



South Coast New Guinea (Chevert Exp.) 



873. Heuiriiamphus amblyurus, Bleek. 



Atl. Ichth, Scombr., tab. 4, fig. 1. — Gunth., Cat. Fishes VI., 



p. 273. 



D. 13. A. 10. P. 9. L. lat. 46. 



Head and body strongly compressed. The length of the head 

 is contained twice and a fifth in the total (without caudal), that 

 of the snout twice and three-fourths, and that of the prominent 

 part of the lower jaw thrice ; upper jaw twice as long as broad, 

 one-fourth of the length of the prominent part cf the lower. 

 The diameter of the eye is less than the width of the interorbital 

 space, and less than one-half the length of the postorbital part 

 of the head ; vertex flat. The ventral fins are twice as remote 

 from the angle of the prreoperculum as from the root of the 

 caudal fin. Caudal fin rounded; anal rays slightly dilated. 

 Sides with a very indistinct silvery band. 



Port Darwin. Length five and a-half inches. 



Genus Arrhampiius, Gunth. 



Differs only from Uemirhamphus in not having the lower jaw 

 produced into a beak. 



Australian Coasts. 



874. Arriiamphus sclerolepis, Gunth. 

 Gunth., Cat. Pishes VI., p. 277. 



D. 13. A. 15. L. lat. 43. 



The body is compressed, its greatest depth being contained 

 six times and a half in the total length (without caudal) ; the 

 length of the head is a little less than one-fourth of the same. 

 The triangular part of the upper jaw, formed by the intermaxil- 



