SOCIETIES ASSOCIATED, 



WITH WHICH THE SOCIETY EXCHANGES PUBLICATIONS, 



And whose Presidents and Secretaries are ex-officio Members of 

 the Society :— 



Barrow Naturalists' Field Club. 



Belfast Naturalists' Field Club. 



Belfast Natural History and Philosophical Society. 



Boston Society of Natural Science (Mass., U.S.A.) 



Cardiff Naturalists' Society. 



Chester Society of Natural Science. 



Chichester and West Sussex Natural History Society. 



Croydon Microscopical Society. 



Department of the Interior, Washington, U.S.A. 



Eastbourne Natural History Society. 



Edinburgh Geological Society. 



Epping Forest and County of Essex Naturalists' Field Club. 



Folkestone Natural History Society. 



Geologists' Association. 



Glasgow Natural History Society. 



Glasgow Society of Field Naturalists. 



Leeds Naturalists' Club. 



Lewes and East Sussex Natural History Society. 



Maidstone and Mid Kent Natural History Society. 



North Staffordshire Naturalists' Field Club. 



Peabody Academy of Science, Salem, Mass., U.S.A. 



Quekett Microscopical Club. 



Royal Microscopical Society. 



Royal Society. 



Smithsonian Institution, Washington, U.S.A. 



Societe Beige de Microscopie, Bruxelles. 



Watford Natural History Society. 



