228 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



the anterior pectoral ray filamentous, and distinctly separated 

 from the others. Root of the ventral rather nearer to the 

 extremity of the snout than to the root of the caudal. Black ; 

 luminous organ above the maxillary small, round, like a 

 rudimentary eye. 



South Coast of Australia, 2,150 fathoms (Challenger) 



Family V. SALMONID^E. 



Body covered with scales ; head naked; barbels none. Margin 

 of the upper jaw formed by the intermaxillaries mesially, and 

 by the maxillaries laterally. Belly rounded. A small adipose 

 fin behind the dorsal. Pyloric appendages generally numerous, 

 rarely absent. Air-bladder large, simple ; pseudobranchise 

 present. The ova fall into the cavity of the abdomen before 

 exclusion. 



Genus Eetrofinna, Gill. 



Body covered with scales of moderate size. Cleft of the mouth 

 of moderate width. Small teeth, subequal in size, in single series 

 on the jaws, vomer, palatines and pterygoids ; tongue with a 

 double series of small hooked teeth. Dorsal fin situated far back- 

 wards, behind the ventrals, above the vent ; anal rather long ; 

 caudal forked; ventral six-rayed. Pseudobranchise present. 

 Stomach horseshoe -shaped, without prolonged blind sac ; pyloric 

 appendages and air-bladder present. 



Freshwaters, New Zealand and Australia. 



840. Eetropinna Eichardsonii, Gill. 



Proc. Acad. Nat. Philad., 1862, p. 14.— Gunth., Cat. Fishes VI. 



p. 171. 



Argentina retropinna, Eichards., Voy. Erebus and Terror, p. 121, 



pi. 52, figs. 1-3. 



B. 6. D. 11-12. A. 17-20. P. 11. V. 6. L. lat. 61. 



