THE 



JOURNAL OF MALACOLOGY. 



ESTABLISHED IN 1890 AS "THE CONCHOLOGlST, A JOURNAL OF 

 MALACOLOGY. ' 



KDITEU BY 



WALTER E. COLLINGE, M.Sc, 



Lecturer on Zoology and Comparative Anatomy in the University 



OF Birmingham ; President of the Midland Malacological 



Society ; and President of the Biological Section 



OF THE Birmingham Natural History and 



Philosophical Society. 



with the co-operation of 



DR. JOSEF F. BABOK, 



The University, Prague, 



H. HOWARD BLOOMER, 



Biiininiiliam. 



THE REV. A. H. COOKE, M.A.. F.Z.S., 



Fellow of King's College, Cambridge. 



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



London. 



CHARLES HEDLEY, F.L.S., 

 Australian Museum, Sydney, N.S.W. 



HENRY SUTER, 

 The Museum, Auckland, N.Z. 



E. R. SYKES, B.A., F.Z.S., F.L.S., 

 London. 



B. B. WOODWARD. F.G.S., F.L.S., 



British Museum (South Kensington), London. 



Volume XI. 

 1904. 



Aiilliors alone arc irspoiisiblf for the statoiitiits iii llieir respective paper. 



LONDON : 



DULAU AND CO., 37, SOHO SQUARE, W. 



1904. 



