BRITISH MUSEUM (NATURAL HISTORY). 



BRITISH ANTARCTIC ("TERRA NOVA") EXPEDITION, 1910, 



NATURAL HISTORY REPORT. 



ZOOLOGY. VOL. II, No. 4. Pp. 61-112. 



MOLLUSCA 



PART I. GASTROPODA PROSOBRANCHIA, SCAPHOPODA, AND 



PELECYPODA. 



BY 



1 



EDGAR A. SMITH, I.S.O., 



Lately Assistant Keeper of Zoology, British Museum (Natural History}. 

 WITH TWO PLATES. 



LONDON : 

 PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM. 



Sold by LONGMANS, GREEN & Co., 39, Paternoster Bow, London, E.G. ; B. QOAMTCH, 11, Grafton Street, New Bond Street, 



London, W. ; DULAU & Co., LTD., 37 Soho Square, London, W. ; the MIDLAND EDUCATIONAL Co., LTD., 



41 and 43, Corporation Street, Birmingham; 



AND AT THE 



BRITISH MUSEUM (NATURAL HISTORY), Cromwell Road, London, S.W. 



1915. 

 [All rights reserved.'] 



Price Four Shillings. 



[Istued yjth March, 1916.] 



