60 DESCRIPTIVE CATALOGUE OF AUSTRALIAX FISHES, 



cross-bands one from the nape, the other narrow about the middle 

 of the body. 



Port Darwin. Cape York. 



660. Amphipriox bicolor, Casteln. 



Proc. Zool. Soc. Victoria, Vol. II., p. 92. 



D. 13/13. A. 2/12. 



The height of the body is twice and two-thirds in the total 

 length, the length of the head four times ; the diameter of the 

 eye three times in the length of the head. Praooperculum bilobed 

 and strongly serrated. The thirteenth spine of the dorsal fin 

 much the longest, the caudal fin is oblong. The colour is deep 

 black, with three transverse, pearly bands ; the first arched and 

 covering the posterior part of the head, the second beginning on 

 the ninth, tenth, and eleventh dorsal spines, straight on its 

 posterior edge, but dilated on the anterior below the pectoral fins, 

 the third on the tail ; the edge of the second dorsal, caudal, and 

 anal fins, and the pectorals white. 



Port Darwin. 



Genus Premxas, Cuv. 



All the opercles serrated, the prseorbital terminating in a very 

 strong and long spine posteriorly. Teeth small, conical, in a 

 single series. Dorsal fin with nine or ten spines, anal with two. 

 Scales small ; the lateral line ceases below the end of the dorsal 

 fin. Branchio'stegals five or six ; gills three and a-half, pseudo- 

 branchia) present ; pyloric appendages three. 



Indian Seas. Australia. 



661. Premxas gibbosus, Castelu. 



Researches on the Pishes of Australia, p. 34. 



Body oval, compressed, the profile descends abruptly from the 

 back ; the head is rounded and convex above and almost truncate 



