230 FISHES OF NEW GUINEA, 



presenting as Mr. Goldie observes the appearance of tortoise- 

 shell, the pectorals have two cross bars of the same colour at 

 their base before the commencement of the spots. 

 * I have only one specimen of this very handsome fish. It 

 measures 18 inches in length and is of a heavy bulky appearance. 



" Balala " of the natives. 



17. Plectkopoma leopardinum, Cuv. & Yal. 



Gunth., Cat. 1, p. 157.— Bleek., Atl. Ichth. Perc. p. 25, pi. 18, 

 f. 0. " Bogi " of the Aborigines. 



Mr. G-oldie's description is " Body brownish sap-green, darker 

 on back, covered with small bright spots, each with dark 

 border, socket of eye edged with brilliant turquoise blue." 



18. Anyperodon leucogrammicus, Cuv. & Yal. 

 Gunth., Cat. 1, p. 96.— Bleek., Atl. Ichth. Perc, p. 28, tab 1, f. 4. 



^' Balala" of the Aborigines. 



19. Genyoroge bidens, jl sp. 



D. 11/13. A. 3/8. L. lat. 48. 



Height of body slightly more than the length of the head and 

 about two and one-third times in the total length exclusive of the 

 caudal fin. Profile of head slightly concave, snout rather pointed, 

 the maxillary bone reaches to the vertical from the anterior 

 margin of the eye. The eyes are large, and considerably more 

 than one diameter apart, the space between them being smooth 

 and convex, the distance from the eye to the extremity of the 

 snout is equal to two diameters of the orbit- The jirrooperculum 

 is somewhat acutely rounded at the angle and strongly serrated, 

 about the middle of its posterior limb there is a large emargination 

 in which is a deep notch receiving a knob of the interoperculum, 

 and beneath it a smaller notch receiving an obtuse tooth rising 

 from the sub and inter-opercular suture. The dorsal fin is toler- 



