Fossil Fish Remains. 297 



Fig. 6. Cestracio7i cainozoicus, sp. nov. Upper surface of 

 lateral tooth from back of series ; from Beau- 

 maris. Natural size. [5374]. 

 I'lg. 7. Cestracion cainozoicus^ sp. nov. Upper surface of 

 lateral tooth from front of series ; from Beau- 

 maris. Natural size. [5369]. 



Cestracion cainozoicus., sp. nov. Edge view of lateral 

 tooth ; from Beaumaris. Natural size. [5369]. 



Sphyrtia prisca, Ag. Tooth ; from Fjansford. x 2. 

 [5435]. 



Odontaspis atietiuata^ Davis, sp. Inner surface of tooth; 

 from Beaumaris. Natural .size. [5377]. 



Odontaspis atte7iuata, Davis, sp. Edge view of tooth ; 

 from Beaumaris. Natural size. [5434]. 



Oxyrhina hastalis, Ag. Outer surface of anterior tooth ; 

 from Beaumaris. Natural size. [5434]. 

 Fig. 13. Oxyrhina hasta/is, Ag. Outer surface of tooth from 

 upper jaw ; from Beaumaris. Natural size. 

 [5426]. 

 Fig. 14. Acanthias gee/ongensis, sp. nov. Outer surface of tooth. 

 X 2. [5386]. 



Plate XII. 



Fig. 1. Vertical section of tooth of Asteracanthus eocaetiicus, 

 Tate sp. Osteodentine showing a regular series 

 of vertical pulp-canals, and the fasciculated 

 groups of canaliculi emanating from them. X 14. 



Fig. 2. Vertical section of lateral tooth of Cestracion caino- 

 zoicus, sp. nov. Showing the irregular character 

 of the pulp-canals, and concentration of the 

 canaliculi beneath structureless layer near the 

 surface. x 14. 



Fig. 3. Vertical section of lateral tooth of young Cestracion 

 philippi from Port Phillip, recent. Showing 

 irregular pulp-canals and lacunae ; also concen- 

 tration of canaliculi under structureless layer 

 near the surface. x 28. 



Fig. 4. Oxyrhifta hastaiis, Ag. Outer surface of posterior 

 tooth; from Beaumaris. Natural size. [5424]. 



