List of Exchanges. 
987 
Leeds. 
Leeds Geological Association. 
Leeds Philosophical and Literary Society. 
Yorkshire Geological and Polytechnic Society. 
Yorkshire Naturalists’ Union. 
Liverpool. 
Liverpool Biological Society. 
Liverpool Geographical Society. 
Liverpool Geological Association. 
Liverpool Geological Society. 
London. 
British Museum, Natural History Division. 
Geological Society of London. 
*Geological Survey of the United Kingdom. 
Quiekett Microscopical Club. 
Royal Botanic Society. 
Royal Institution of Great Britain. 
Royal Society of London. 
Society for the Encouragement of Art, Manufactures and Commerce. 
South London Entomological and Natural History Society. 
Manchester. 
Literary and Philosophical Society. 
Manchester Field Naturalists’ and Archaeologists’ Society. 
Manchester Geological Society. 
Manchester Geographical Society. 
Manchester Microscopical Society. 
Marlborough. 
Marlborough College Natural History Society. 
Newcastle. 
Literary and Philosophical Society. 
*North of England Institute of Mining and Mechanical Engineers. 
Norwich. 
Norfolk and Norwich Naturalists’ Society. 
Penzance. 
Penzance Natural History and Antiquarian Society. 
*Royal Geological Society of Cornwall. 
Preston. 
Preston Scientific Society. 
Sheffield. 
Literary and Philosophical Society. 
