78 



A LIST 



AUSTRALASIAN VOLUTIDJl. 



I.— GENUS CYMBiTJM. Adunson. 



1. Cymbium georginj©. Gray. Moreton 



Bay and Swan Eiver. 



2. Cymbium umbilicatus. Broderip. More- 



ton Bay. 



3. Cymbium broderipi. Gray. Torres' 



Straits, North. Australia. 



4. Cymbium diadema. Broderip. Port 



Essington and Swan Eiver. 



5. Cymbium miltonis. Gray. Swan Eiver, 



Western Australia. 

 IT. — GENTS scAPHA. Gray. 



6. Scapba mamilla. Gray. Tasmania, 

 Kangaroo IsL, feouth Australia, Lake 



Macquarie Heads, N.S.W. 



7. Scapha pulclira. Sowerhy. North and 



N.E. Australia. 



8. Scapha nivosa. Lam. Swan Eiver, 



Western Australia. 



9. Scapha norrisii. Soiverhy. Nichol Bay, 



Western Australia. 



10. Scapha rutila. Broderip. Eockingham 



Bay, N.E.A., and New Gruinea. 



11. Scapha deshayesii. Reeve. New Cale- 



donia. 



1 2. Scapha piperita, Soiverhy. New Geor- 



gia, Solomon Isls. 



