CONCKtOLOOY. 



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. :— 



''ThesanriLS Conchy liorwii,^ 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. 



FOR SAX^C:. 



FOR SALE. — A sinistral specimen of Helix hortensis v. lutea from 

 Normandy. — Apply Mr. Quilter, care of Mr. J. W. Taylor, 

 F.L.S., Sovereign Street, Leeds. 



FOR SALE. — A small Dissecting Microscope ; almost as 

 good as new. Maker, Edmund Wheeler. Cost jQz 5s. ; will 

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

 Christchurch, Hants. 



FOR SALE by Private Contract. — The Collection of Mollusca 

 on which was founded the standard work on the shells of the 

 Atlantic Islands — AVollaston's " Testacea Atlantica." It comprises 

 450 species besides numerous varieties from the different islands, 

 represented in most instances by a great number of examples ; and is 

 contained in round glass-topped boxes in a handsome cabinet. There 

 is also a small miscellaneous collection of about 150 species from 

 Morocco, the Philippine Islands, Ceylon, etc. — For particulars apply 

 Mr. E. L. Layard, "Otterbourne," Budleigh Salterton. 



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 ofthis genus, together 

 with British examples froiu localities not represented in 

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

 Marine species from Loyalty Islands and other places, and 

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

 Palmerston Street. Moss Side. AT -wrKF'^TFki 



