APRIL (fbi), 1897. ; [ Vow. vit. 
THE 
JOURNAL 
CONCHOLOGY. 
PUBLISHED UNDER THE DIRECTION OF 
THE COUNCIL OF THE CONCHOLOGICAL SOCIETY 
OF GREAT BRITAIN AND IRELAND. 
CONTENTS. 
ORIGINAL COMMUNICATIONS: 
Additions to “ British Conchology” (conténued).—J. T. Marshall 
Adeorbis unisulcatus, n.sp., from the Irish Coast.—G. -W. Chaster 
A Visit to a Snail-Farm.—R. D. Darbishire 
Notes on a Collection of Shells from Lifu and Uvea, eit ‘dain 
formed by the Rev. James and Mrs. Hadfield, with List of Species 
(Part II. continued ). Sie: Cosmo Melvill, M.A., F.L.S., and 
Robert Standen 
On two remarkable Atavic- ‘Spceinnens of Planorbis spiroibis Mul. — 
John W. Taylor, F.L.S. Bes ie 3a ws : 
BIBLIOGRAPHY 
PROCEEDINGS ©f the CONCHOLOGICAL SOCIETY 375 
ILLUSTRATIONS: 
Lifu Mollusca Ai ie: pees a a Plates [IX.—XI. 
Adeorbis unisulcatus, Gictce ace one Be 356 se Be 373 
Olivella Williamsi, Melvill & Standen ... ios as aye a 381 
Diagrammatic Figures of Primitive Planorbis ... ; ie fs 383 
Atavic Sinistral Monstrosity of Planorbis spirorbis Mill, ah ae 384. 
Atavic Dextral Monstrosity of Planorbis spirorbis Miill. cis oe 384 
Soh ee 
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WS” «The attention of Members is particularly 
directed to the resolution of the Council 
on page 375. 
