BY "W. MACLEAY F.L.S. 527 



339. ACANTHURUS TRIOSTEGUS, L. 



Gunth. Cat. Eislies III., p. 327. 



Teuthis austrahs, Gray, King's Survey Coasts of Aust. II., p. 435. 



D. 9/23-25. A. 3/20. V. 1/5. 



Height one half the length without caudal fin. Upper jaw with 

 seven lobate incisors on each side ; caudal spine small without 

 posterior projecting process ; the upper profile of snout concave. 

 Caudal fin subtruncate. Eeddish- violet, with five blackish brown 

 transverse bands, the anterior of which passes through the orbit ; 

 another streak of the same colour along the median line of the 

 snout ; two brown spots one above the other on the end of the 

 tail. 



West Coast of Australia. 



340. Ac.VNTHUEUS MATOIDES, Cuv. & Yal. 



Gunth. Cat. Fishes III., p. 330, and Ann. and Mag. Nat. Hist. 1867 

 Vol. XX., p. 60. 



D. 9/27-28. A. 3/25-28. Y. 1/5. 



Height of body rather more than half the length without the 

 caudal fin. The distance of the nostril from the edge of the upper 

 jaw is two-thirds of the length of the head; the upper jaw with 

 seven or eight lobate incisors on each side ; caudal spine with a 

 process posteriorly pointing backwards ; upper profile of snout 

 convex in adult specimens. Colour brown ; the dorsal and anal 

 fins with dark blue longitudinal streaks. 



Nicol Bay (Gunther). 



341. ACANTIIURUS AXXULARIS, CuV. & Val. 



Casteln. Eesearches on the Fishes of Australia, p. 29. 

 Height of body half the length without the caudal fin ; the 

 distance from the edge of the upper jaw is less than two-thirds of 

 the length of the head ; teeth very strongly crenulated, caudal 



