368 



Plate XX. 



1. Radula of Minolta preissiana, Philippi. 



2. 



3. 



4 



5. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 



Patella ustulata, Reeve. 



„ aculeata, Reeve. 

 Siphonaria baconi, Reeve. 



„ diemenensis, Quoy and Gaimard. 



Gadinia angasi, Dall. 

 Acmcea crucis, Tenison-Woods. 



,, mar mo rat a, Tenison-Woods. 



„ septiformis, Quoy and Gaimard. 



„ subundwlata, Angas. 

 Helcioniscus limbatus, Philippi. 

 Bulla australis, Gray. 



