Park. — Marine Tertiaries of Otago and Canterbury. 537 



post. They are, according to Captain Hutton, :1: about 370 ft. 

 thick. From the shell-beds above the oyster-beds I collected 

 the following species : — 



1. Purpura textiliosa, Agassiz. 



2. Siphonalia dilatata, Quoy and Gaimard. 



3. Siphonalia orbita, Hutton. 



4. Euthria lineata, Martyn. 



5. Nassa mcisa, Hutton. 



6. Ancilla australis, Sowerby. 



7. Scaphella pacifica, Lamarck. 



8. Lotorium spengleri, Lamarck. 



9. Natica gibbosa, Hutton. 



10. Calyptrcea calyptraformis, Lamarck. 



11. Turritella rosea, Quoy and Gaimard. 



12. Turritella kanieriensis , Harris. 



13. Ethalia zealandica, Homb. and Jacq. 



14. Calliostoma pitnctutatum, Martyn. 



15. Panopcea orbita, Hutton. 



16. Mactra discors, Grav. 



17. Zenacia acinaces, Quoy and Gaimard. 



18. Mesodesma novce-zealandia, Chemnitz. 



19. Chione vellicata, Sowerby. 



20. Chione stutchburyi, Gray. 



21. Meretrix multistriata, Sowerby. 



22. Dosinia australis, Gray. 



23. Venericardia australis, Lamarck. 



24. Glycimeris laticostata, Quoy and Gaimard. 



25. Glycimeris globosa, Hutton. 



26. Pecten zelandia, Gray. 



27. Anomia alectus. Gray. 



28. Ostrea angasi, Linne. 

 Balanus (sp. ?). 

 Fish-teeth. 



Of the twenty-eight species of molluscs enumerated above, 

 twenty, or 71 per cent., are still living. 



The species of oyster in the oyster-beds appear to be 

 Ostrea angasi and Ostrea agglomerata, or varieties of these. 



Below the oyster-beds there are loose pebbly shell-beds 

 from which I collected the following species : — 



1. Carcharodon carcharias, Miiller. 



2. Siphonalia dilatata, Quoy and Gaimard. 



3. Ancilla australis, Sowerby. 



4. Turritella rosea, Quoy and Gaimard. 



5. Crepidula monoxyla, L o< =srm. 



* Hutton's "On some Railway Cuttings in the Weka Pass " (Trans. 

 N.Z. Inst., vol. xx., 1887, p. 257). 



