Squalodon and Zeuglodon. 



265 



Fig. 2. — Incisor of P. wilkiusoiii^ Waurn Ponds. (Coll. Nat. 

 Mus.). Figured by M'Coy. 

 3. — Premolar of P. ivilkinsoiii^ Spring Creek. (Coll. T. S. 



Hall). 

 4. — INIolar of P. wilkinsoni. Table Cape. (Coll. Geolog. 



Dept. Adelaide Univ.). 

 5. — Molar of P. wiikinsoni, Castle Cove, Cape Otway. (Coll. 



Nat. Mus.) M 'Coy's type. 

 6. — Molar of Metasqjtalodon harwoodi, Mount Gambier. 



(Coll. Nat. Mus.). 

 7. — (A) Molar of M. harivoodi. After Sangei-. 



(B) Transverse section of roots of molar of M. harivoodi, 

 showing their union. After Sanger. 

 (The figures are all about natural size). 





