BY W. MACLEAY, F.L.S. 65 



Height of body twice and two-thirds in the total length, length 

 of head four times ; diameter of eye twice and a-half in the 

 length of the head. Praeorbital and preeoperculum strongly 

 crenulated ; the dorsal spines increase in length backwards ; the 

 two outer rays of the ventral fins terminate in filaments which 

 extend to the second anal spine. Colour (in spirits) light purple 

 brown ; a narrow blue line runs over each eye, from the mouth 

 to the base of the dorsal fin, these lines unite over the mouth ; 

 several other blue lines, irregular and interrupted, run on the 

 sides of the head ; two or three light blue dots on each scale ; fins 

 yellow, extremity of dorsal rather obscure. 



Port Darwin. 



671. Pomacextrus modesttjs, Casteln. 



Researches on the Pishes of Australia, p. 35. 



D. 13/12. A. 2/? L. lat. 18. 



Height of the body twice and one-third in the length, without 

 the caudal fin; length of head a little over three times in the 

 same ; infraorbital ring entire ; praooperculum strongly serrated, 

 operculum sinuous on its edge ; scales of the body very large and 

 ciliated ; the second anal spine is very long ; the ventrals are 

 elongate, nearly as long as the head ; the inferior profile convex 

 behind the operculum. The colour (in spirits) is brownish red ; 

 the caudal, ventral, and pectoral fins have a yellow tinge. Length 

 two inches. 



Gulf of Carpentaria. 



672. Pojiacentrus Dolii, n. sp., (Plate I., fig. 1.) 



D. 13/12. A. 3/12. L. lat. 20. 



Body much more convex on the under side than on the back. 



The height of the body one-third of the total length, the length 



of the head one-fifth, the diameter of the eye is greater than the 



length of the snout, which is short and obtuse, with the cleft of 



E 



