OP NEW SOUTH WALES. 343 



104. — POMACENTRUS CHRYSURUS. 



Chcetodon chrysurus, Broussouet. 



Pomacentrus clirysurus, Cuv. and Val. 5, p. 423. 



Common at Darnley Island. 



105. — Pomacentrus obscurus. 



Plate XV., fig. 2. 



D. |f, A. ^. L. lat. 26. 



Height of body twice and three-fourths in the total length. 



Prseoperculum and infra orbital strongly denticulated. The dorsal 



fin increases gradually in height posteriorly. Caudal emarginate. 



Colouration greenish brown, with the ventral and anal fins black, 



and a black spot margined anteriorly with white above the root of 



the tail. 



This species has some resemblance to P. littoralis. The exact 

 locality of its capture has not been recorded. 



106. — Glyphidodon Bankieri. 

 Glyphisodon Bankieri, Rich. Ichth. Chin., p. 253. 



„ nemurus, Bleeker, Borneo 2, p. 73. 



Found at Cape Grenville. 



New Genus, Heptadecanthus. 



Body high, compressed. Prseoperculum and infraorbital finely 

 serrated. Teeth conical, in a single series, with minute teeth 

 between. Dorsal fin with seventeen spines, anal with two. Scales 

 moderate. The lateral line extends to the commencement of the 

 soft dorsal. Gills, three-and-a-half. Pseudobranchise. 



107. — Heptadecanthus longicaudis. 

 Plate XV., Jig. 3. 

 D -LI A 2 



Height of body more than half the length without the tail. 

 Snout shorter than the diameter of the eye. Mouth small and 

 oblkpie. Forehead convex between the eyes, and about equal in 



