220 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



dorsal are higher than the body. The adipose fin is opposite the 

 third last anal ray. Caudal fin forked, the rays very strong. 

 Colour in spirits, brownish above, whitish beneath ; fins yellowish. 

 Length twenty inches. 

 Port Jackson. 



831. Saurida argentea, n. sp. 

 B. 13. D. 12. A. 10. L. lat. 55. L. transv. 5/8. 



Height of body one-tenth, and length of head one-seventh of 

 the total length. The head is flat above and tapers to a rounded 

 snout, which is considerably longer than the diameter of the eye ; 

 a short ridge behind the occiput, behind the bine of the back. 

 The pectoral fin does not nearly reach the ventral, which is placed 

 only a very little in front of the vertical from the dorsal. Caudal 

 fin forked ; dorsal higher than long, the first rays much higher 

 than the body. Colour bluish above, whitish beneath, most of 

 the scales showing a silvery centre, the middle rays of the tail 

 blackish. Length seven inches. 



Endeavour River. 



Genus Aulopus, Cuv. 



Head and body rather elongate, slightly compressed, covered 

 with scales of moderate size. Cleft of the mouth very wide ; 

 maxillary well developed, dilated behind. Teeth small, cardif orm, 

 in bands in the jaws, on the vomer, palatine, and pterygoid 

 bones, and on the tongue. Eye of moderate size. Pectoral and 

 ventral fins well developed ; the latter nine-rayed, inserted close 

 behind the pectorals, below the anterior dorsal rays. Dorsal fin 

 in the middle of the length of the body, rather elongate, with 

 fifteen or more rays ; adipose fin small ; anal of moderate length ; 

 caudal forked. Gill-opening very wide ; branehiostegals numer- 

 ous ; pseudobranchice well developed. Pyloric appendages few. 

 Air-bladder none. 



Mediterranean. Australia. 



