

e^.i.'ct. 



DISCOVERY 

 REPORTS 



Vol. ni, pp. 261-196, plate XXXIX 



Issued by the Discovery Committee, Colonial Office, London 

 on behalf of the Qovemment of the Dependencies of the Falkland Islands 



MOLLUSCA: GASTROPODA THECOSOMATA 

 AND GYMNOSOMATA 



b^/ the late 

 Anne L. Massy 



(* h?2 4 1932 ^ : 



CAMBRIDGE 



AT THE UNIVERSITY PRESS 



1932 

 Price four shillings net 



