158 



6. Petuuculus subtrigonalis, Tate, a and h, Exterior aud in- 



terior aspects. River Murray cliffs. 



7. Petunculus convexus, Tate, a and 5, Umbonal and front 



aspects. Muddy Creek. 



8. Area pseudonavicularis, Tate, a and h, Front and umbonal 



aspects. Adelaide bore. 



9. Area equidens, Tate. Mucb enlarged. Adelaide bore. 



10. Barbatia simulans, Tate. Muddy Creek. 



11. Avicula nasuta, Tate. 



12. Crassatella astartiformis, Tate. 



13. Trigonia tubulifera, Tate, a, Enlarged ; h, magnified orna- 



ment. Muddy Creek. 



14. Cucullaea Adelaidensis, Tate, a, Natural size ; h, enlarged 



ornament. 



15. Crassatella astartiformis, Tate. Young example. 



16. Crassatella abbreviata, Tate. Slightly enlarged. Eiver 



Murray cliffs. 



Plate XII. 



1. Limopsis multiradiata, Tate, a, Enlarged view of valve ; 



i, surface near the front, magnified. 



2. Mytilicardia compta, Tate. Muddy Creek. 



3. Lucina dentata, Wood. North- West Bend. 



4. Leda prselonga, Tate, a and h, Eront and umbonal aspects, 



much enlarged. Muddy Creek. 



5. Lucina fabuloides., Tate. Enlarged. 



6. Lucina projecta, Tate. Muddy Creek. 



7. Lucina leucomomorpha, Tate, a and h, Eront and umbonal 



aspects. Muddy Creek. 



8. Saxicava australis, Lamarch. Adelaide bore. 



9. Pinna semicostata, Tate. 



10. Lucina nuciformis, Tate, a and h, Eront and umbonal as- 



pects, much enlarged. 



11. Lucina planatella, Tate. Table Cape. 



12. Avicula nasuta, Tate. Eragment of right valve, with the 



anterior wing complete. 



13. Cardita Tasmanica, Tate. 



14. Cardium cuculloides, Tate, a and I, front and umbonal 



aspects. Muddy Creek. 



