/ § 



No. II.] MAY, 1874. [Vol. I. 



THE 



QUARTERLY JOURNAL 



OF 



CONCHOLOGY. 



CONDUCTED BY 



WM. NELSON AND JOHN W. TAYLOR. 



? 



ONTENTS. 



ORIGINAL COMMUNICATIONS : 



On the Difficulties of Recognising " Named Varieties " according to the 



Accepted Authorities — T. Rogers . . . . . 17 



A List of Land and Freshwater Shells found in the Neighbourhood of 



Ackworth, Yorkshire — Charles Ashford . 

 Helix rotundata var alba at Conisbro' Castle — Geo. Taylor 

 Zonites glaber near Leeds — W. Nelson 

 A Catalogue of the Land and Freshwater Mollusca of Northumbei-land 



and Durham — W. D. Sutton 

 Cochlicopa tridens var crystallina near Leeds — ^J. W. Taylor . 

 A White Variety of Limnaea palustris near Leeds — ^J. W. Taylor 

 Cochlicopa tridens var crystallina at Petersfield — C. AsHFORD . 

 Zonites excavatus var vitrina near Huddersfield — ^J. Whitwham 

 Helix lamellata at Huddersfield — ]. Whitwham 

 Occurrence of Zonites glaber at Folkestone — ^J. FitzGerald 

 List of Shells taken at Tenby, Pembrokeshire, at the end of September 



1872— G. S. Tye ...... 



REPRINTS (or Selections) : 



A Partial Comparison of the Conchology of Portions of the Atlantic and 



Pacific Coasts of North America— Robert E. C. Stearns . . 31 



If oitbon: : 



ROBERT HARDWICKE, 192, PICCADILLY, W. 

 Leeds : T. BARMBY, Bookseller, Briggate. 



PRICE SIXPENCE. 



Free by post, &\d. Annual Subscription, payable in advance, 2s., Post Free. 



