BY W. I.. MAT. T-") 



Fig. 30. Hydrobia turbinata, Petterd, from one of the 



type series. 



Fig. 31. Beddomeia bellii, Petterd, from specimen com- 

 pared with the type. 



Fig. o'2 Beddomeia hullii, Petterd. from specimen com- 

 pared with the type. 



33. Amnicola launcestonensis, Johnston, from Pet- 

 terd s sp. ( inn )i. 



Fig. 34. Beddomeia lodderce, Petterd, from specimen com- 

 pared with the type. 



Fig. 35. Ampullaria tasmanica, Ten. Woods, from Peta- 

 l's specimen. 



Fig. 36. Valvata tasmanica, Ten. Woods, specimen from 

 type locality. 



G 



