SOCIETIES ASSOCIATED, 
WITH WHICH THE SOCIETY EXCHANGES PUBLICATIONS, 
And whose Presidents and Secretaries-are ex officio Honorary 
Members of the Society. 
Croydon Microscopical Club. 
Eastbourne Natural History Society. 
Folkestone Natural History Society. 
Lewes and East Sussex Natural History Society. 
Maidstone and Mid-Kent Natural History Society. 
Quekett Microscopical Club. 
Belfast Naturalists’ Field Club. 
Chester Society of Natural Science. 
Geologists’ Association. 
Smithsonian Institution, Philadelphia. 
