336 DESCRIPTIYE CATALOaUE OF AUSTRALIAN FISHES, 



69. BosTOCKiA POROSA, Casteln. 



Proc. Zool. Soc, Victoria, Vol. II., p. 126. 



D. 8/16. A. 3/11. 



Upper profile convex, head rather elongate and pointed, lower 



jaw longer than upper. Height of body four and one-third times 



in the total length, eyes as long as the snout, and four and a-haK 



times in the length of the head ; nostrils large ; opercles scaly, 



preeoperculum with strong spinous teeth directed forwards on the 



lower edge, smaller but similar ones on the anterior edge of the 



upper limb ; the third dorsal spine the longest. Caudal fin 



rounded, the soft dorsal and anal fins having their middle rays 



longest. Colour uniform dark brown, with the fins black. Length 



of specimen five inches. 



Fresh-water in the interior of Western Australia. 



Group PriacantMna. 



Genus Priacanthus, Cuv. «& Val. 



Six branchiostegals. All the teeth villif orm, without canines ; 

 teeth on the palatine bones, tongue smooth. One dorsal with ten 

 spines, anal with three. Operculum with an indistinct point ; 

 prseoperculum serrated with a more or less prominent, flat, 

 crenulated angle. Scales small, rough, snout covered with ctenoid 

 scales. Lower jaw with prominent chin ; eye large. 



Tropical Seas. 



70. Priacanthus macracanthus, Cuv. & Val. 



Gunth. Cat. I., p. 215. Casteln. Proc. Linn. Soc. N. S. Wales, 



Vol. III., p. 369. 



Priacantlms Bleekeri^ Casteln., Proc. Zool. Soc. Vic, Vol. II., p. 100. 



D. 10/13-14. A. 3/14-15. L. lat. 80-85. 



A description by Count Castelnau of this species wiU be found 



in page 269 of the third volume of the Proc. Linn. Soc. N.S. Wales. 



Port Jackson. 



