Natural History Branch of the British Museum (The 



Librarian), South Kensington, W. 

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Bath Street, Glasgow. 

 " Nature " (The Editor), St. Martin's Street, W.C. 

 Netherlands Zoological Society, Zoological Station, Helder, 



Holland. 

 *' Nuova Notarisia,'' c/o Prof. G. B. De Toni, Universite 



Royale de Modena, Modena, Italy. 

 " Nyt Magazin for Naturaidenskaberne,'' c/o Prof. Dr. N. 



Wille, Botan. Garten, Christiania. 



Optical Society (The Hon. Librarian), 39, Victoria Street, S.W. 



Patent Office Library, 25, Southampton Buildings, Chancery 



Lane, W.C. 

 Philadelphia Academy of Natural Sciences, Philadelphia, Pa., 



U.S.A. 

 Philippine Exposition Board, Calle General Solano 384, 



Manila, Philippine Islands. 



R. Scuola Superiore di Agricoltura, Portici, Italy. 

 Royal Dublin Society, Leinster House, Dublin. 

 Royal Institute of Cornwall, Truro. 

 Royal Institution, 21, Albemarle Street, W. 

 Royal Society of Medicine, 1, Wimpole Street, W. 

 Royal Microscopical Society, 20, Hanover Square, W. 

 Royal Society, Burlington House, Piccadilly, W. 

 Royal Society of New South Wales, Sydney. 

 Royal Society of Arts, John Street, Adelphi, W.C. 



Smithsonian Institution, Washington, D.C. 



Smithsonian Institution (United States National Museum), 



c/o Wm. Wesley & Son, 28, Essex Street, Strand. 

 Societe Beige de Microscopic. 

 Societe Botanique Italienne, Florence, Italy. 



Tempere, Mons. J., Grez-sur-Loing, par Bourron, Seine et 

 Marne. 



