EXCHANGE. 



LARGE Quantities of Foreign Land and Freshwater 

 Shells offered in Exchange for other species not in Collec- 

 tion. Lists exchanged. Foreign exchanges particularly desired. — 

 Edward Collier, i, Heather Bank, Moss Lane East, Manchester. 



SCALARIA. — Wanted, Foreign species ofthis genus, together 

 with British examples from localities not represented in 

 my 'collection. Offered, many good Land, Freshwater, and 

 Marine species from Loyalty Islands and other places, and 

 Vertigo angustior from County Donegal, Ireland. — R. Standen, 40, 

 Palmerston Street, Moss Side, Manchester. 



IV/r R. E. L. LAYARD is desirous of effecting Exchanges 

 *^^ in Foreign Land and Freshwater Mollusca. Having 

 resided many years in Fiji and New Caledonia, he has a con- 

 siderable number of shells from those islands, the New Hebrides, 

 &c., in duplicate, also from other countries, obtained in exchange. 

 Would also be glad to Exchange Ferns for Shells, having a 

 large stock of duplicates on hand. — " Otterrourne," Budleigh 

 Salterton, Devon. 



&S' Unusually marked or fine specimens of British Land and 

 Freshwater Shells, or of British Species from Foreign Coun- 

 tries desired. Satisfactory Exchange given, or Purchase can be 

 arranged if preferred. 



JOHN W, TAYLOR, Sovereign Street, LEEDS. 



FOR SALE. — Collection of Land and Freshwater Shells, 

 containing over 3,600 species, embracing a noted collection 

 of Clausilias, European Helicidcc generally, and grand Tropical Land 

 Shells, many unique. — Y. ]\L Hele, ii, Elmgrove Road, Cotham, 

 Bristol. N.B. — Duplicates for sale cheap. 



THE CONCHOLOGICAL SOCIETY'S LIST OP 



British Land & Freshwater Mollusca, 



1 s 9 2 . 



Compiled Inj W. NELSON, W. DENISON ROEBUCK, F.L.S., 

 and J. W. TAYLOR, F.L.S. 



Price :2ol. each, by post 2|d. ; or 16 per doz. post free. 



This List is to be oljtained of the Honorary Treasurer (Lionel E. Adams, 

 B. A., 15, Vork Road, Nortliampton), or of the Honorary Secretary of the Con- 

 chological Society, who may be addressed at the Philosopliical Hall, Leeds. 



