A Keir ^^pecles of Ylcior'Ktn Mollusc. 141 



Dimensions. — Length, 12 nun.; bi-e;ulth, 8 mm.; length of 

 aperture and canal, 7 mm.; breadth of aperture, about 3 mm.; 

 breadth of canal, about 1 mm. 



Locality.- — Dredged alive at Port Phillip Heads by the late 

 Mr. J. Bracebridge Wilson. 



Observations. — -The species is named by us after the late 

 Mr. J. B. Wilson, whose dredgings have added so much to our 

 knowledge of Victorian Marine life. 



The type is deposited in the Biological Museum of the 

 University of Melbourne. 



We hope to be able to figure this species with some others 

 to be described later. 



