286 NEW GENERA AND SPECIES OF AUSTRALIAN FISHES, 



golden on postabdomen, back and head ; silvery pink on abdomen, 

 the two colours being sharply denned ; anal and caudal fins 

 greenish yellow ; middle or whole of the pectoral densely speckled 

 with black, of spinous dorsal less or not at all so. 



Long. 9—1 2." 



Log. — Brisbane River. 



FAM. AMBLYOPINA. 



LEME. NEW GENUS. 



Body elongate, compressed ; head large, oblong, quadrilateral ; 

 cleft of the mouth directed upwards ; lower jaw prominent ; eyes 

 nearly hidden ; chin with barbels ; teeth strong, protruding on the 

 edge of the jaws ; one long dorsal fin almost continuous with caudal 

 and anal ; all the fin rays simple, flexible ; anterior dorsal rays not 

 separate _, ventrals of one spine and five rays united into a disk, 

 thoracic ; pectorals short. Branchiostegalsfour. Scales rudimentary. 



L. MORDAX. 



Fin formula doubtful, the investing membrane preventing 

 satisfactory enumeration. Height one-seventeenth, head one- 

 eighteenth of the total length ; ventral fin two-thirds of the 

 head ; pectoral one-fourth of the same. Dentition % strong 

 canines in front — two or three small ones on each side above — a 

 small one alternately with the large ones below ; behind the upper 

 and lower canines, a band of viliform teeth ; teeth on the palate, none 

 on the vomer ; six barbels in two converging rows on the chin, 

 with one intermediate near the angle, all small. The dorsal and 

 anal fins are separated from the caudal by a slight notch. There are 

 rudimentary embedded scales on the hinder part of the trunk and 

 on half of the caudal. Ventral disk pointed, and placed on a 

 stout pedicle. The dorsal arises between the operculum and the 

 anal papilla, Caudal moderate, pointed. Color in spirits, uniform 

 yellowish brown. 



Long. 12." 



Log. — Murray River, Queensland. 



