BY W. MACLEAY, F.L.S. 255 



A single barbel behind the end of the snout ; lips thick, fringed. 

 Eye large, covered by the transparent shin. Teeth none in the 

 jaws or on the palate ; two patches of obtuse teeth behind the 

 palate, on the pterygoid bones, opposed to a single larger patch 

 on the hyoid. A lobe of the mucous membrane is suspended 

 from the roof of the mouth, in front of the teeth. Dorsal fin 

 opposite to the ventrals, these fins being approximate to the vent ; 

 caudal fin subtruncate. Gill-membranes grown to the isthmus. 

 A fringed gill-like organ behind the fourth branchial arch, one 

 half being attached to this arch, the other half to the humeral 

 arch. Branchiostegals four. 



South Africa. Australia. New Zealand, &c. 



883. Gonoriiynchus Greyi, Kichards. 



Gunth., Cat. Fishes VII., p. 373. 



Gonorhi/nchus hrevis, Kner., Voy. Novar., p. 342, pi. 16, fig. 1. 



B. 4. D. 11-13. A. 9. V. 9. Ca3c. pylor. 6-9. 



Scales very small. The height of the body is about one-half 

 of the length of the head, which is from two-ninths to one-sixth 

 of the total length (without caudal). Terminal portion of the 

 fins black, edged with white. 



West Australia, South Australia, and Victoria. 



Family X. OSTEOGLOSSID2E. 



Body covered with large hard scales, composed of pieces like 

 Mosaic ; head scaleless, its integuments nearly entirely replaced 

 by bone ; lateral line composed of wide openings of the mucus- 

 duct. Margin of the upper jaw formed by the intermaxillaries 

 mesially, and by the maxillaries laterally. The dorsal fin belongs 

 to the caudal portion of the vertebral column, and is opposite and 

 very similar to the anal fin ; both approximate to the rounded 

 caudal, with which they are abnormally confluent. Gill-openings 

 wide ; pseudobranchiao none ; air-bladder simple or cellular. 

 Stomach without caocal sac ; pyloric appendages two. 



