ROLLING DOWNS FORMATION (CRETACEOUS) OF CENTRAL QUEENSLAND. 



PLATE 1. 



Description of Figures. 



Fig. 1. — Portion of fish, with remains of opercular apparatus. 

 op. operculum. 

 p.op. pre-operculum. 

 s.op. sub-operculuiu; 

 orb. orbit, half nat. size. 



Fig. 2. — Portion of a vertebra, side view, with parts of the neural and 

 haemal arches. 



Fig. 3. — The same, end view. 



Fig. 4. — Restoration of a scale from the anterior abdominal region. 



Fig. 5. — A ventral scale, somewhat restored; 



Fig. 6. — Scales from above the hinder principal flank series. 



Fig- 7. — Scales of one of the ventral rows at the origin of the caudal fin. 



