pOLLECTION OF SHELLS FOR SALE.— Price, 12 Guineas.— Com - 

 V^ prising many Valuable Shells, such as Harpa imperialis, Murex rota, and 

 many other Foreign Marine Shells ; also British Land and Freshwater Shells, 

 Tropical Land Shells, European Land and Freshwater Shells, Clausilia. &c. ; and 

 a few Rare British Marine Shells, such as Buccinopsis dalei.-— Particulars on appli- 

 cation to Miss F. i\L Hele. II. Elmgrove Road, Gotham, Bristol. 



T TMM A "Rl A institution for natural history, 



J_IXXN XN xi.J_i-c:v. BERLIN, N.W., LUISENPLATZ 6. 



Our stock in QHEjIjIjS exhibits a wealth of Forms and Species such as 

 can scarcely be found elsewhere. We would refer, in the first instance, to our 

 Catalogues ; but we also arrange every description of Collections to special order, 

 as for instance for comparative studies in PALEONTOLOGY. 



Price Lists on application. .Specimens sent for selection. 



ALBUM OF CONCHOLOQISTS. 



The Editor of the "JOURNAL OF CONCHOLOGY " purposes forming 

 an Album of Conchologists, and would be very glad to receive copies of Photo- 

 graphs, with signature, &c., of those persons willing to co-operate If desired 

 the favor will be reciprocated. The following have recently been added to the 

 Album:— (i. W. Mellor, Thos. Rogers, W. Cash, F.G.S., and J. R. B. 

 Masefieli), M.A. 



Address— J. W. TAYLOR, Sovereign Street, Leeds. 



A 



Monograph of the Land & Freshwater Mollusca 



OF THE BRITISH FAUNA. 



INFORMATION URGENTLY WANTED FOR MONOGRAPH. 



I. — Where did Layard descril^e TestaccUa aurigasier ? i\Ir. Layard himself has 



now forgot. 

 2. — Living specimens of Testacella scntiihun wanted. 

 3. — Authentically named specimens of l^esiacella bisidcata (living preferred) on loan 



or otherwise. 

 4. — Informaiion about the distribution of Hdix lautiana. 



Assistance Desired Immediately — Specimens of Testacellae from any locality. 



Extracts from, or loan cif, any work, to which we have not access, having 



reference to Testacellre. 



Co-operation is invited from all Conchologists interested in the above subject. 

 Any information or specimens illustrating the LIFE HISTORY— STRUCTURE, 

 devei.upment, variation, distribution, &c. — will be welcomed and carefully 

 acknowledged. Address :—yiK. J. W. TAYLOR, Office of the Journal of Coil- 

 i-Jiology, Sovereign Street, Leeds. 



