392 THE PEOCEEDIN&S OF THE LINNEAN SOCIETY 



Dentition more developed on the coloured than on the blind 

 side. 



D. 69. A. 53. V. 5. P. 8. 

 N,B. — This fish is evidently different from the Melbourne 

 " Flounder." 



Synaptura quagga. 



Synaptura quagga, Gunth. Gat., Vol. TV., p. 485. 

 ^sopia quagga, Kaujp. in Wiegm. Arch., 1858, p. 98. 



Body oblong ; the left pectoral fin is only rudimentary ; the 

 jaws are of equal length ; the lower eye is rather behind the 

 upper one. 



Of a fine dark brown, with ten light transverse bands, which 

 are slightly bordered with black. 



This species is rather common in the China and Indian Seas, 

 and seems to be found nearly all round Australia, but to be very 

 scarce in these parts. 



T have seen it at Sydney and Brisbane ; and Mr. Bostock sent 

 me one from Swan River. 



Cnidoglanis megastoma. 



Cnidoglanis megastoma, Gunth. Gat., Vol V., p. 27. 



Plotosus megastoma, Richards, Voy. Ereb. and Terr. Fishes, p. 31., 

 pi. 21. 



Most of the Australian Siluridce belong to the group Plotosince, 

 characterized by the presence of a short anterior dorsal, and the 

 isecond dorsal very long and continuous with the caudal and anal, 

 the ventrals are many-rayed. 



The genus Cnidoglanis is distinguished by its small eyes, and 

 the gill membranes united below the throat, and attached to the 

 isthmus along the entire median line ; the genus was first 

 established by Dr. Gunther. 



This species is known at Sydney as the " Cat-fish "; the head 

 is very broad ; the barbels extend a very little behind the eye. 



The colour is of a dark olive brown on the back, with the lower 

 parts of a dirty white ; mouth, anterior part of the head, and 

 spots on the body, of a beautiful orange yellow. The usual size 

 is about thirty inches. This fish is very strong, very difiicult to 



