360 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



Spiracles small, on the side of the neck. No lateral fold. Mouth 

 crescent-shaped. Dentition unequal in the jaws : in the upper 

 jaw one or two pairs of awl-shaped teeth, the following six being 

 broader and provided with several cusps, one of which is much 

 the strongest. Lower jaw with six large comb-like teeth on each 

 side, beside the smaller posterior teeth. Six or seven wide gill- 

 openings. 



Temperate and Tropical Seas. 



1086. NoiTDANUS INDICUS, CuV. 



Macd. & Barr., Proc. Zool. Soc, 1868, p. 371, pi. 33.— Gunth., 

 Cat. Fishes VIII. , p. 398. 



Snout short and rounded ; cleft of the mouth broader than long. 

 A single median pointed tooth in the upper jaw ; the lower 

 median tooth with, lateral cusps, but without central cusp. The 

 first cusp of the lower teeth is much stronger than the others and 

 serrated on its outer margin. 



Jervis Bay, Port Jackson. Length five feet. 



Family IV. SCYLLIDJE. 



The first dorsal fin above or behind the ventrals, without spine ; 

 an anal fin. No nictitating membrane. Spiracle distinct. 

 Mouth inferior. Teeth small, several series being generally in 

 function. 



Genus SciTLLiujr, Cuv. 



Two dorsal fins without spines ; the first above or behind the 

 ventrals ; the origin of the anal fin is always in advance of that 

 of the second dorsal. Spiracle behind the eye. Nasal cavity 

 separate from the mouth. Teeth small, with a middle longer 

 cusp and generally one or two small lateral cusps, arranged in 

 numerous series. Eggs similar to those of Pays. Upper edge 

 of the caudal fin not serrated. 



Temperate and Tropical Seas. 



