BY CHARLES W. DE VIS, M.A. 399 



shaped ; coracoid large, crenulo-dentated ; scapulary more faintly 

 armed, but reaching nearly to the vertex ; superorbital radiately 

 grooved ; scales thick, ctenoid ; caudal strongly emarginate ; 4th 

 dorsal spine more than twice as long as the third, 8th longer than 

 the 7th, spinous dorsal much higher than the soft or the anal ; 

 pectoral shoi't, 3rd anal spine the longest ; the upper maxillary 

 reaches beyond the fore-edge of the orbit. 



Colour silvery. Upper two-thirds of webs of 4th and 7th 

 spines of dorsal, tips of first three rays of soft dorsal, end of upper 

 caudal lobe and a large spot on the tips of its submedial rays 

 black. 



Length, 12 inches. Locality, Queensland Coast. 



Hephaestus. Nov. gen. 

 Form of body rather elevated ; eye rather small ; mouth hori- 

 zontal, the lower jaw rather the shorter ; 1 dorsal with 12 spines, 

 the anal with 3 ; caudal fin emarginate. tio canine, palatal, nor 

 vomerine teeth. Preoperculum denticulated, operculum with 

 obtuse points ; scales moderate, ctenoid ; 6 branch iostegals ; pseudo 

 branchiae and air bladder. (1) 



H. Tulliensis. 



The height of the body is 2£ ; the length of the head 3| in the 

 total length ; the orbit 4 J, interorbit 3-|, snout 3 nearly, in the 

 length of the head. The 5th dorsal spine ^ nearly of the height 

 of the body. Form very convex above, profile of the head 

 concave ; 1st dorsal lower than the 2nd or the anal, both the 

 latter rounded at the tip. Pectorals short, rounded ; coracoid and 

 scapulary finely denticulated. Preopercle entire on lower limb, 

 angle rounded ; 4th and 6th dorsal spines the longest. The 2nd 

 anal equals the 4th dorsal, and is a little longer and much stronger 

 than the 3rd. Soft dorsal, anal and caudal scaly at the base. 

 Outer row of teeth strong, incurved. 



Colour uniform blackish, soft dorsal, anal and caudal black, 

 narrowly edged with white. 



Length, 9 to 12 inches. Locality Tully and Murray (Queens- 

 land) Rivers. Feeds on Zostera. 



