BY W. MACLEAY, F.L.S. 205 



The height of the body is contained eight times and one-third 

 in the total length, the length of the head five times ; barbels 

 not very long ; those of the nostrils extend to the eyes ; those of 

 the maxillary not further ; the highest of the mandibulary barbels 

 is the longest, being about as long as the snout, the lower 

 shorter. Eye very small, its diameter about one-eighth of the 

 length of the head and one-third of that of the snout. The snout 

 is depressed ; the body is compressed, elongate, and tapers to the 

 tail. General colour (in spirits) light grey, with the lower parts 

 yellow ; the fins yellowish, bordered with black ; a few small 

 irregular spots on the body and dorsal fin. 



Adelaide. Length five inches. 



G-enus Copidoglanis, Gunth. 



A short dorsal fin in front, with a pungent spine ; a second 

 long dorsal is united with the caudal and anal into one fin. 

 Teeth in the upper jaw conical, on the vomer molar-like, in the 

 lower jaw mixed. Barbels eight ; nostrils as in Plotosus. Cleft 

 of the mouth transverse. Eyes of moderate size, with a free 

 orbital margin. The gill-membranes are separated by a deep 

 notch, united anteriorly only, the united portion not attached to 

 the isthmus. The first branchial arch with a fringed membrane 

 along the hinder edge of its concave side. Ventral fins many- 

 rayed. Head rather compressed. 



Coasts and rivers of Australia and East Indian Archipelago. 



806. Copidoglanis tandantjs, Mitchell. 



Gunth., Cat. Fishes V., p. 26. 



" The Cat Fish" of the Murrumbidgee. 



B. 9. First D. 1/6. Second D.+C.+ A. 142. P. 1/10. V. 12. 



Head and body compressed ; the height of the body is not 

 much less than the length of the head, which is a little more than 

 one-fifth of the total. Head as high as broad, its greatest width 



