TERTIARY FRESH WATER FISHES FROM SOUTHERN QUEENSLAND. 163 
in P. acutus and resemble those of Scleropages leichardti Gunther. Much of the 
quadrate appears to have been visible from the outside, and to judge from 
Tanner’s figures (1925) this seems also to have been the case in P. acutus. The 
premaxilla is a small bone bearing a few large teeth, and the maxilla is 
large, a supplemental bone being apparently present, as in Brychaetus. The 
separate bones of the lower jaw cannot be clearly made out, but the jaw' is 
strong and capable of a wide gape. The teeth are long, stout, hollow, and 
conical, those at the tip of the jaws and about the middle being larger than 
Text-figure 6 . — Phareodus queenslandicus sp. nov. [RP/B] lb. X 1. Left hyo -mandibular, 
inner aspect. Art-op, opercular articulation. 
the others. There are about 34 teeth on either side of the jaws, those near 
the angle of the gape being extremely small. The maxillary teeth are slenderer 
than those of the lower jaw. 
Text-figure 7 . — Phareodus queenslandicus sp. nov. a, [RP/B] 2 a; b, [RP/B] 3. Right 
pterygoids and palatine, inner aspect x l. ecp -{- pal , fused ecto -pterygoid and 
palatine ; enp, ento-pterygoid. 
