■prOR SALE. — A small Dissecting Microscope ; almost as 

 good as new. Maker, Kdmund Wheeler. Cost ^2 5s. ; will 

 take 30/-. — Particulars on application to M. Ashford, Stampit Villa, 

 Christchurch, Hants. 



FOR SALE. — Collection of Land and Freshwater Shells, 

 containing over 3,600 species, embracing a noted collection 

 of Clausilias, Europt-an Helicidte generally, and grand lYopical Land 

 Shells, many unique. — F. M. Hele, ii, Elmgrove Road, Cotham, 

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



EXCHANGE. 



/^FFERED. — Land Shells from Lifu, Loyalty Islands, and 

 ^^ from Trinidad; Mounted Radulae and Photo-micrographs 

 and Lantern Slides of Radulae, in exchange for rare Foreign 

 Land Shells. — Wm. Moss, 13, Milton Place, Ashton-under-Lyne. 



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 of this genus, together 

 witli 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 angusiior from County Donegal, Ireland. — R. Standen, 40, 

 Palmeiston Street, Moss Side, Manchester. 



MR. E. L. LA YARD is desirous of effecting Exchanges 

 in Foreign Land and Freshwater Mollusca. Having 

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

 sideral)le number of shells from those islands, the New Hebrides, 

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

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

 large stack of duplicates on hand. — " Otterbourne," Budleigh 

 Salterton, Devon. 



COJ ^CSLOL OOY. ^~" 



GB. SOWERBY, in constant receipt of interesting SHELLS from all parts 

 • of the world, supplies Specimens and Collections from his large and varied 

 stock, and sends selections to amateurs on approval. 



PRESENT SPECIALITY.— A wonderful stock of PTEROPODA, from 

 which sets may be had at moderate prices. 



BOOKS BY G. B. SOWERBY, F.L.S. :— 



"■ Thesaiinis C(7«if/?;//2o;-«<w,' in parts or monographs. 



^Illustrated Index of British Shells. ' Coloured figures of all known species. 



30s. nett. 

 'Marine Shells of South Africa.' 12s. nett. 



COLLECTIONS PURCHASED. 



Museums and Private Collections Classified, Named, and Arranged. • 

 121, FULHAM ROAD, LONDON, S.W. 



