OP NEW SOUTH WALES. 273 



of the body. Summit of back rounded. Scales rather small. Scaly 

 sheath of the tins small. The second and third anal spines equal. 

 Colour moderately silvery. Fins pale — the caudal long, forked, and 

 tipped with black ; the dorsal blackish on the upper half. 



Numerous about Cape Grenville. The average length of the 

 specimens caught was about five inches. 



32. — GERRES CARINATUS. 



Plate VII. Fig. 4. 

 D. -£j, A. £-, L. lat. about 35. 



Height of body nearly four times in the total length. Head as 

 long as the height of the body. The second dorsal spine slight, and 

 more than half the height of the body. There is a straight median 

 line below the lateral line, which is carinated near the operculum, 

 and depressed towards the tail. The head is much foveated, and 

 has a ridge on the summit extending from the intermaxillary 

 groove to the commencement of the dorsal fin. The prfeoperculum 

 has a double edge, the inner one slightly serrated. Colour, bright 

 silvery, with numerous black spots irregularly disposed over the 

 back and sides. Fins pale, the dorsal lightly tipped with black ; 

 the tail is long and forked, with a brownish mark at the base. 



This very peculiar and well marked species comes from Darnley 

 Island. 



Two specimens were got, each about three inches long. 



33. — Gerres bispinosus. 

 Plale VII. Fig. 3. 

 D. -j^-, A. f, L. lat. about 37. 

 Height of body three and a third times in the total length. The 

 third dorsal spine slightly longer than the second and half the height 

 of the body. A line below the lateral line from the upper part of 

 the operculum to the tail, keeled on its anterior half and depressed 

 on its posterior. Colour silvery, slightly reddish above the lateral 

 line. Fins, pale yellow — the dorsal slightly tipped with black, 

 the caudal widely forked, and reddish yellow at its base. 

 Two specimens from Hall Sound, New Guinea. 





