Exchanges. xxxvii 



Great Britain and Ireland. 

 Alnwick (^England). 



Berwickshire-Naturalists* Club. 

 Belfast (Ireland). 



Naturalists' Field Club. 

 Bristol (England). 



Naturalists* Society. 

 Dublin (Ireland). 



Royal Dublin Society. 



Royal Irish Academy. 

 Edinburgh (Scotland). 



Geological Society. 



Royal Physical Society. 



Royal Scottish Society of Arts. 



Royal Society of Edinburgh. 

 Glasgow (Scotland). 



Geological Society. 



Natural History Society. 



Philosophical Society. 

 Halifax (England). 



Yorkshire Geological and Polytechnical Society. 

 Kew (England). 



Royal Botanic Gardens. 

 Leeds (England). 



Philosophical and Literary Society. 

 Liverpool (England). 



Biological Society. 

 London ( England) . 



British Museum. 



Entomological Society. 



'* Nature." («/o The Macmillan Co.) 



Royal Geographical Society. 



Royal Microscopical Society. 



Royal Society. 

 Manchester (England). 



** Journal of Conchology." (^/o Owens College.) 



Literary and Philosophical Society. 



Microscopical Society. 

 Newcastle-upon-Tyne (England). 



Natural History Society of Northumberland, Dur- 

 liam, and Newcastle-upon-Tyne. 

 York (England). 



Yorkshire Philosophical Society. 



