BY W. MACLEAY, F.L.S. 349 



the belly, a black spot on the tail with yellow centre ; the first 

 dorsal fin black in front. 



Cape York. (Castelnaii). 



Genus Gulliveria, Casteln. 



Teeth numerous, short, conical, swollen at the base, no canines, 

 an angular line of teeth on the palate, tongue smooth ; prae- 

 operculum not denticulated ; two dorsal fins, the first with six 

 spines, the second with one long spine, anal with two spines. 

 General form oval, compressed, scales rather large ; mouth rather 

 oblique. 



107. GULLIYERIA FIJSCA, Castolu. 



Proc. Linn. Soc. N. S. Wales, Yol. III., p. 45. 

 Norman River. 



108. Gtjlliyeria fasoiata, Casteln. 

 Proc. Linn. Soc. N. S. Wales, Yol. III., p. 46. 

 Norman River. 



Genus Aida, Casteln. 



Teeth minute, in a single row, two feeble canines in the upper 

 jaw, a transverse row on the palate ; mouth very oblique, opercles 

 unarmed, body very compressed, scales large, no lateral line ; two 

 dorsal fins, the first with five spines, the last four elongate ; the 

 second with one spine and thirteen rays, increasing in length 

 backwards ; tail bilobed. Anal fin with two spines and seventeen 

 rays, shaped like the soft dorsal. Yentral fins inserted behind 

 the pectorals and united at their base. 



109. Aida inornata, Casteln. 



Researches on Fishes of Australia, p. 10. 



Height of body three times in the length (without caudal) ; 

 head nearly three times and a-half in the same ; eye equal to 



