Vol. X. Part IV. 



MARCH, 1913. 



Price 78. 6d. net. 



PROCEEDINGS 



OF THK 



MALACOI.OGICAL SOCICTY 



OF LONDON 



EDITED BY 



E. A. SMITH, I.8.O., F.Z.S. 

 Under the direction of the Publication Committee. 



AUTHOKS ALONE ARK RESPONSIBLE FOR THE STATEMENTS IN THEIR RESPECTIVK 



PAPERS. 



OOnSTTElNTTS. 



Proceedings : — paoe 



Ordinary Meetings : 



November 8th, 1912 263 



December 13th 263 



January 10th, 1913 263 



Notes : — 

 Note on Ghjptorhagadn Silveri 

 (Angas). By G. C. EOBSON, 

 B.A 265 



Papers : — 

 On Tivela and Grateloupia. 



By A. .J. Jukes-Browne, 



F.E.S.,F.G.S. (Figs.) ... 266 

 On some remarkable Shell 



Monstrosities. By G. C. 



KOBSON, B.A. (Figs.) 274 



Descriptions of New Species of 



Lindcolaria and Krapfiella 



from East Central Africa. 



By H. B. Preston, F.Z.S. 



(Figs.) 277 



LONDON : 



DULAU & CO., Ltd., 

 37 SOHO Square, W. 



Papers continued : — 



Descriptions of two New 

 Helicoids from British East 

 Africa and Uganda. By 

 H.B.Preston, F.Z.S. (Figs.) 285 



Note on Cyprina islnndica. 

 By Dr. W. H. Dall 286 



Note on Murex mancinella, 

 Linn. By E. A. Smith, 

 I.S.O 287 



On Hygroynia rufescens, auet.. 

 in Ireland. By A. AY. 

 Stelfox 290 



On some Preoccupied Molluscan 

 Names (generic and specific) . 

 By G. K. GUDE, F.Z.S. ... 292 

 . A Collation of the Molluscan 

 Parts of the Synopses of the 

 Contents of the British 

 Museum, 1838-1845. By 

 Tom IRED.4LE 294 



BERLIN : 



K. FEIEDLANDER & SOHN, 



11 Karlstrasse, N.W. 



