No. 2.] APRIL rae^l"), 1892. [Vol. vii. 



THE 



JOURNAL 



OF 



CONCHOLOGY. 



ESTABLISHED IN 1 8 74 AS 



THE QUARTERLY JOURNAL OF CONCHOLOGY. 



CONDUCTED BY 



JOHN V/. TAYLOR, F.L.S., 



Membre Honoraire de la Soci^td Malacologique de France, 

 WITH WHICH IS INCORPORATED THE 



PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND, 



PUBLISHED UNDER THE DIRECTION OF THE COUNCIL. 



COITTEITTS. 

 ORIGINAL COMMUNICATIONS: page. 



Observations on the Reproduction of the Dart, during an attempt to 



Breed from a Sinistral Helix aspersa Miill.^R. Standen ... 33 



Helix rotundata var. alba at Conisborough. — Lionel E. Adams ... 38 

 New Varieties of American Mollusca.— T. D. A. Cockerell, F.Z.S., 



F-E.S 39 



On the Viviparous Nature of Balea. — Thos. Rogers 40 



Sinistral Helix aspersa at Bristol. — F. M. Hele 41 



Limnsea stagnalis L. monst. sinistrorsum. — R. Standen 41 



Achatina acicula in a Roman Cemetery at Ventimiglia, Italian 



Riviera. — Rev. J. E. Somerville, M.A., B.D 42 



Pupa ringens in Guernsey. — E. D. Marquand 44 



Zonites glaber var. viridula = viridans. — T. D. A. Cockerell ... 44 



Helix virgata monst. sinistrorsum. — E. R. Sykes ... ... ... 44 



Helix virgata Da Costa monst. sinistrorsum Taylor from Colwyn 



Bay. — R. Standen ... ... ... ... ... ... ... 44 



PROCEEDINGS of the CONCHOLOGICAL SOCIETY: 45 



The Conchological Society's List of British Land and Freshwater 



Mollusca, 1892 ,. 49 



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