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The Royal Medical and Chirurgical Society, 20, Hanover 

 Square, W. 



The Royal Dublin Society, Leinster House, Dublin. 



The Editor of " Science Gossip," Messrs. Simpkin, Marshall, 

 and Co., 4, Stationers' Hall Court, E.C. 



Sibert Saunders, Esq., The Bank, Whitstable, Kent. 



James Wright, Esq., Librarian, Tyne Side Field Club and 

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Mons. J. Tempore, 168, Rue St. Antoine, Paris. 



Prof. G. B. De Toni, via Rogati, 2236, Padova, Italy. 



The Wagner Free Institute, Montgomery Avenue and 17 th 

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Dr. Anton Dohrn, The Zoological Station, Naples. 



The Editor of " Knowledge," 326, High Holborn, W.C. 



Prof. Antonio Berlese, R. Scuola di Agricoltura, Portici, Italy. 



