BY W. MACLEAY, F.L.S. 439 



length to the abdomen. Uniform whitish (in spirits). Two 

 specimens, the larger ten inches long. 



Tasmania. 



Genus Pentaroge, Gunth. 



Head and body compressed, without any scales, prseorbital and 

 prseoperculum with strong spines. One dorsal fin with twelve or 

 thirteen spines, anal with three. No pectoral appendages. 

 Yilliform teeth in the jaws, on the vomer, and the palatine bones. 

 Air-bladder small ; pyloric appendages in moderate number. A 

 cleft behind the fourth gill. 



Australian Seas. 



300. Pentaroge marmorata, Cuv. & Val. 



Gunth. Cat. Fishes II., p. 132. 



*' Fortesme " of the Sydney Fishermen. 



B. 7. D. 12-13/10. A. 3/6. Cegc. pylor. 6. Vert. 11/17. 



The praeorbital spine very long, dagger-shaped. Cleft of the 

 mouth slightly oblique, with the maxillary reaching to the vertical 

 from the centre of the eye. The dorsal begins on the nock. 

 Dirty yellowish, largely marbled with brown. 



Port Jackson. 



Genus Tetraroge, Gunth. 

 Like Pentaroge, but having generally a greater number of 

 spines in the dorsal fin, and not having a cleft behind the fourth 

 giU. 



Indian and Australian Seas, 



301. Tetraroge darnleyensis, AU. & Macl. 

 Proc. Linn. Soc. N. S. Wales, Vol. I., p. 278, pi. 6, fig. 1. 

 Darnley Island, in coral. 



