jLo:ic"sAroi^.TBc shells. 



T IS PROPOSED to publish in the 'Natural History Journal,' 

 a List of the Land and Freshwater Shells found near Ackworth. 

 Ackworth lies in the Went Vale district of Nelson and Taylor's York- 

 shire Mollusca. Any help will be very welcome. Address : — W. D. 

 Braithwaite, Ackworth School, near Pontefract ; or Hugh Richard- 

 son, The Gables, Elswick Road, Newcastle-on-Tyne. 



EXCHANGE.— Mr. MARSHALL, of Sevenoaks, Torquay, invites 

 Exchanges in British or European Shells. 



BRITISH MARINE SHELLS offered in Exchange for Land and 

 Freshwater or other Marine Species. — C. Jefferys, Tenby. 



45, GREAT RUSSELL ST., LONDON, 

 J names and arranges Specimens and Collections 

 of SHELLS, for Public and Private Museums; supplies Desiderata and 

 entire Collections from a large and valuable Stock, vyhich is constantly 

 being replenished by novelties from various parts of the World. 



Price Lists on Application. Specimens sent for Selfxtion. 



DESCRIPTIVE AMD SYJfOKYMIC. 



FORMING ONE VOLUME, ACCOMPANIED BY PHOTOGRAPHIC PLATES. 



By E. BUCQUOY and M. DAUTZEIMBERG. 



Price 4 FRANCS PER PART, Payable on Receipt of Part. 



The work Mall be completed in 8 or 10 parts, and 5 photographic plates in each part. 

 SubscrijDtions to be sent to 



m. PH. DAXTTgEHBEEO", 213, i^ue de rXTniversite, Paris. 



Les MoUusques Marins du Roussillon, Fasc. n & 12, by Dautzenberg, Bucquoy, 



and Dollfuss. [The Authors. 



The Malacology of Abyssinia, by J. R. Bourguignat [The Author. 



Introduction to the French Succinise, by J. R. Bourguignat [The Author. 



Science Gossip, June [The Editor, 



Manual of Conchology, Marine Univalves, by Geo. W. Tryon [The Author. 



Malakozoologische Blatter Ilerausgegeben von S. Clessin, viii Band, Bogen 4, 



Taf. 1—9 [The Editor. 



The Liver Fluke, by H. P. Fitzgerald [The Author. 



Annalen des K. K. Naturhistorischen Hofmuseums, Redigirt von Dr. Franz 



Ritter von Hauer, Band i, Nos. 2 and 3 [The Editor. 



The Naturalist [The Editors 



Museum Normanianum, or a catalogue of the Invertebrata of Europe, and the 



Arctic and North Atlantic Ocean, which are contained in the collection of 



the Rev. Canon A. M. Norman, M.A., D.C.L., F.L.S., i, Echmodermata ; 



ii, Pantopoda ; iii, Crustacea [The Author. 



Zoologischer Anzeiger, herausgegeben Prof. J. V. Carus [The Author. 



Journal de Conchyliologie, January, 1886 [The Editors. 



Report on the Testaceous Mollusca (From Liverpool Marine Biology Committee 



Report) by R. D. Darbishire, F.G.S. [The Author. 



Jahrbucher der Deutschen Malakozoologischen Gesellschaft, edited by Di-. 



Kobelt [The Editor. 



Journal de Conchyliologie, edited by Crosse and Fischer [The Editors. 



