50 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISITES, 



The outer edge of the tube is very distinctly serrated . Browni sh- 

 grey, silvery beneath, sometimes some bluish spots on the back 

 or on the sides. 



Port Jackson. All Australian Seas. 



Genus Aulostoma, Lacep. 



Body covered with small scales. Caudal fin rhombic, without 

 filiform rays ; a series of isolated, feeble dorsal spines. Teeth 

 rudimentary. 



Tropical Seas. 



G15. AULOSTOMA ClIIXEXSE, L. 



Gunth., Cat. Fishes III., p. 538. 



D. 8-12/24-27. A. 27/28. V. G. 



The base of the soft dorsal and anal fins is black ; sometimes 

 another short, black streak above, across the anterior rays. 

 Ventral fin with a round black spot at the base, sometimes nearly 

 uniform brown without markings. A barbel at the end of the 

 maxillary and another on the chin. 



Knob Island, Torres Straits (Castelnau. 



Division XIII. ACANTII. CENTBISCIFOEMES. 



Two dorsal fins, the spinous short, the soft and the anal of 

 moderate extent. Ventral fins truly abdominal, imperfectly 

 developed. 



Family XXXIV. CENTFJSCIML 



Form of body compressed, oblong or elevated, the anterior 

 bones uf the skull much produced, forming a long tube which 

 terminates in a narrow mouth. Teeth none. Body either covered 

 with a cuirass, or with non-confluent ossifications, scales none or 

 small. Two dorsal fins ; the spinous short, with one of the spines 

 strong ; the soft and the anal of moderate extent. Ventral fins 



