BY W. MACLEAY, F.L.S. 117 



Genus Gexyptertjs, Philippi. 



Body elongate, compressed, covered with minute scales. Eye 

 of moderate size. Vertical fins continuous ; ventral fins replaced 

 by a pair of bifid filaments (barbels) inserted below the glossohyal. 

 Teeth in the jaws, on the vomer, and the palatine bones ; the 

 outer series in the jaws and the single series of the palatines 

 contain strong teeth. Lower jaw received within the upper. 

 Yent situated at some distance behind the pectoral fin. Seven 

 or eight branchiostegals ; gill-openings wide ; gills four, a slit 

 behind the fourth ; pseudobranchias and air-bladder present. 

 Pyloric appendages in small number. 



South Pacific Ocean, South Africa. 



731. Genypterus Australis, Casteln. 



Proc. Zool. Soc. Victoria, Vol. I., p. 164. 



" The Rock Line" of the Melbourne Market. 



Height of body eight times in the total length, diameter of eye 

 seven times and a-half in the length of the head ; the barbels in 

 the young specimens one-third, and in the adults one-half of the 

 length of the head. The teeth in the jaws are in two series, in 

 the outer the teeth are large, thick, conical and wide apart ; in 

 the inner, smaller, closer and sometimes in pairs. The lateral 

 line is well marked until the posterior eighth of the body ; it is 

 formed of several lines placed near one another and having a 

 notch from distance to distance ; the number of these notches is 

 about forty-seven. The scales are small, the transversal lines 

 numbering nearly three hundred ; the pectoral fins are contained 

 about twice and a-half times in the length of the head. Colour 

 light lilac, the belly white ; the body is covered with large 

 marbled blotches, of irregular shape, confluent on the back and 

 extending over the head. Eye silvery. Dorsal and anal fins 

 marbled like the body, the margin of the first white, of the anal 

 flesh-colour. Pectorals spotted. 



Port Phillip. Length about two feet. 



