T,T"N""Nr A TH A institution for natural history, 



J-Ji^N -L\ JTi-J-i-ca. IJERLIN, N.W., LUISENPLATZ 6. 



Our stock in S JJELLS ^^^ibits 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 CONCHOLOGISTS. 



The Editor of the "JOURNAL OF CONCHOLOGY" purposes lorming 

 an Album of Conchologists, and would be very g'ad to receive copies of Photo- 

 graphs, \\ith signature, S:c., of those persons willing to co-operate If desired 

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

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

 Masefield, M.A. 



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



IIT IP K, E IP -A. E, _A. T I O IT . 



Monograph of the Lanil & Freshwater Mollusca 



OF THE BRITISH FAUNA. 



INFORMATION URGENTLY WANTED FOR MONOGRAPH. 



I. — Where did Layard descril:ie I'eslaccna aiiiigashn- ? ?\lr. Layard himself has 



now forgot. 

 2.^Living specimeni of Testacclla saitnlum wanted. 

 3. — Authentically named specimens ot 7'csiacella hisidcaia (living preferred) on loan 



or otherwise. 

 4. — Liforma'aon about llie distribution of Helix cautiana. 



Assistance Desired Immediately — Specimens of Testacellte from any locality. 

 Extracts from, or loan of, any work, to \\hich 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 LIbE HLSTORY — structure, 

 DEVELOPMENT, VARIATION, DiSTRiKUTiox, &c. — will be Welcomed and carefully 

 acknowledged. Address .■— jNIr. J. W. TAYLOR, Office of the Joiiiiial of Coii- 

 chology. Sovereign Street, Leeds. 



