Vol. XV. Part I. APRIL, 1922. Price 10s. net. 



PROCEEDINGS 



OF THE 



MALACOI.OeiGAL SOCIETY 



OF LONDON. 



Edited by B. B. WOODWABD, F.L.S., etc., 

 Under the direction of the Publication Committee. 



AUTHORS AliONE ARE RESPONSIBLE FOR THE STATEMENTS IN THEIR RESPECTIVE 



PAPJERS. 



O O 3Sr T DB 3Sr T s 



Proceedings : — page 



Ordinary Meetings : 



November 11th, 1921 1 



December 9th 1 



January 13th, 1922...; 2 



Papers : — 



On the Pseudo-genus Pseudo- 



marginella. By the Eev. 



Dr. A. H. Cooke ,S 



The Eadula of the VoluticlaJ. 



By the Eev. Dr. A. H. 



Cooke. (Figs.) 6 



Note on the Beproduction of 



Turritella. By Lieut. -Col. 



A. J. Peile 13 



. Some Notes on Piadulae. By 



Lieut. -Col. A. J. Peile. 



.(Figs.) 13 



List of the Species and Genera 



of Eecent Mollusca first 



described in ' ' Le Natura- 



liste". By H. C. Fulton. 19 

 Notes on the British Species of 



Anomia. By E. Winck- 



■ WORTH, M.A. (PL I.) 32 



Note on a Holocene Deposit at 



Penton Hook. By J. E. 



Cooper 35 



Papers continued : — 



PAGE 



Note on the Genera Neptunea 

 and Syjicera. By Dr. W. H. 

 Dall 36 



A Eeply on the Genera 

 Nepinnea and Syncera. By 

 T. Iredale 37 



The Nomination of "Etcent " 

 Fossil Mollusca. By T. 

 Iredale 37 



The Status of Helicella and 

 Polita. By Dr. H. A. 

 PiLSBRY 39 



On the Style -sac and In- 

 testine in Gastropoda and 

 Lamellibranchia. By. G. C. 

 EOBSON, F.Z.S 41 



On the Genesis of the designa- 

 tion of "Types" among 

 Malacological Writers. By 

 A. S. Kennard, F.G.S., 

 andB.B.W00DWARD,F.L.S. 47 



On the Pisidium Gassiesianum 

 of Dupuy. By A. W. 

 Stelfox, M.E.I. a 52 



Eeport on the Gassies Collection 

 of Pisidia. By A. W. 

 Stelfox, M.E.I.A 54 



LONDON : 

 DULAU & CO., Ltd., 34-36 Margaret Street, Cavendish Squahe, W. 1. 



