BY W. MACLEAY, F.L.S 111 



opercles and cheeks scaly ; scales of moderate size ; lateral line 

 continuous ; dorsal spines numerous, flexible. Teeth as in Oclax. 

 Australia. 



762. Siphonognathus argyrophanes, Eichards. 



Proc. Zool. Soc. 1857, p. 238, pi. 6.— Gunth.,Cat. Fish. IV., p. 244. 



D. 24/22. A. 14. L. lat. 105. L. transv. 3/12. 



A brownish violet band on the median line of the back, another 

 from the snout, through the eye, to the tip of the caudal fin, which 

 is lanceolate, a silvery band along and below the brown lateral one. 



King George's Sound. Length sixteen inches. 



Order III. ANAGANTBINI. 



Vertical and ventral fins tvithout spinous rays (Gadopsis excepted). 

 The ventral fins, if present, are jugular or thoracic. Air-bladder, if 

 present, without pneumatic duct. 



Family I. GADOPSID.ZE. 



A small portion of the dorsal and anal fins is formed of true 

 spines. Ventrals jugular. Gill-openings wide. 



Genus^ Gadopsis, Eichards. 



' Body slightly elongate, covered with very small scales. Snout 

 of moderate extent, obtuse, with the upper jaw overlapping the 

 lower ; cleft of the mouth of moderate width, small cardiform 

 teeth in the jaws, on the vomer and the palatine bones. One 

 dorsal, the spinous portion rather shorter than the soft ; anal 

 spines three ; caudal distinct. Ventrals jugular, composed of a 

 single jDifid ray. Branchiostegals six ; gills four, with a narrow 

 slight slit behind the fourth ; pseudobranchia) present, glandular; 

 gill-opening wide ; gill-membrane not united. An air-bladder ; 

 pyloric appendages in moderate number. 



Fresh-waters of Australia. 



