The London Institution. 



The Eoj-al College of Physicians, London. 



The Royal College of Surgeons, London. 



The Royal Geographical Society, London. 



The Royal Institution, London. 



The lioyal Society, London. 



The University College, London. 



The Literary and Philosophical Society, Manchester. 



The Owens College, Manchester. 



The Natural History Society, Newcastle-on-Tyne. 



The Plymouth Institution and Devon and Cornwall Natural-History 



Society, Plymouth. 

 The Marine Biological Laboratory, Plymouth. 

 The Yorkshire Philosophical Society, York. 



HOLLAND. 



The Royal Academy of Sciences, Amsterdam. 

 The Royal Zoological Society, Amsterdam. 

 The Dutch Society of Sciences, Haarlem. 

 The Dutch Entomological Union, The Hague. 

 The Royal Museum of the Netherlands, Ley den. 



ITALY, 



The Royal Institute of Superior Studies, Florence. 



The Italian Society of Natural Sciences, Milan. 



The Zoological Station, Naples. 



The Royal Academy of the Lincei, Rome. 



The Royal Academy of Sciences, Turin. 



RUSSIA. 



The Natural-History Society, Dorpat. 



The Society of Sciences of Finland, Helsingfora. 



The Imperial Society of Naturalists, Moscow. 



The Entomological Society of Russia, St. Petersburg. 



The Imperial Academy of Sciences, St. Petersburg. 



SCANDINAVIA. 



The Society of Sciences of Christiania, Christiania. 

 The Royal Danish Society of Sciences, Copenhagen. 

 The Royal Academy of Sciences, Stockholm. 

 The Royal Academy of Sciences, Upsala. 



