528 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



spine small, pointed forwards ; tlie anterior profile is nearly 

 straight ; caudal fin very stronglji emarginate. Black, with, a 

 bluish white band on the base of the tail, the upper and lower 

 margins of the tail and the upper margin of the pectorals are of 

 the same colour. Length six inches. 



Cape York. 



Dr. Gunther thinks this species is only the immature form of 

 A. matoides. Count Castelnau regards them as quite distinct. 



342. AcAKTHUEUS GEAMMOPTILUS, Eichards. 



Ann. and Mag. Nat. Hist. 1842, IX., p. 176.— Gunth., Cat. Fishes 



III., p. 335. 

 D. 9/20. A. 3/24. 



Height of body two-sevenths of the length without the caudal 

 fin ; profile of snout rather convex ; nine lobate teeth on each 

 side of the upper jaw. Brown, with numerous undulated and 

 irregular bluish longitudinal lines ; a whitish band across the 

 basal portion of the caudal fin, posterior half of the pectoral 

 yellowish ; dorsal fin with five dark longitudinal lines ; anal with a 

 light line along and within the margin ; dorsal and anal fins with 

 a black spot posteriorly. 



Port Essington, Port Darwin. 



Genus Aceonueus, Cuv. & Val. 



A single series of lobate incisors in the jaws. A moveable 

 spine in a groove on each side of the tail. Scales none ; skin 

 with vertical striee. Five branchiostegals. 



Tropical Seas. 



343. AcEoxuEUS foemosus, Casteln. 



Proc. Zool. Soc, Yictoria, Yol. II., p. 104. 



D. 9/30. A. 3/27, 



