OFFICERS ANE MEMBERS 
xiii 
Barrois, Charles Univer site, Lille. 
BroggkR, W. C Univer sitet, Christiania. 
LE VriES, Hugo Lunteren, Holland. 
DeslandrES, Henri , Astrophysical Observatory, Meudon. 
Dewar, Sir James University, Cambridge. 
Forsyth, A, R Imperial College of Science and Technology, London. 
GeikiE, Sir Archibald Haslemere, Surrey. 
Groth, Paul von Univer sitdt, Munich. 
Heim, Albert Zurich. 
HiLBERT, David Univer sitdt, Gottingen. 
Jordan, Marie B. C College of France. 
KapTEyn, John C Rijks Universiteit, Groningen. 
Klein, Felix Univer sitdt, Gottingen. 
KossEL, Albrecht Heidelberg. 
KusTNER, Karl FreidERICH Bonn. 
La Croix, F. A. A Musee d'Hist. Nat., Paris. 
Lankester, Sir E. Ray 5. Kensington, London. 
Larmor, Sir Joseph St. Johns College, Cambridge. 
LoRENTz, Hendrik Anton Rijks Universiteit, Leiden. 
Onnes, Heike Kamerlingh University of Leiden. 
OsTWALD, WiLHELM Grossbothen, bei Leipzig. 
Penck, Albrecht Univer sitdt, Berlin 
PfeefER, WilhELM Botanische Institut der Univ., Leipzig. 
Picard, Charles EmilE Univer site, Paris. 
Prain, Sir David Royal Botanic Gardens, Kew, Surrey. 
Ramon y Cajal, Santiago University of Madrid, Madrid. 
Rutherford, Sir Ernest Newnham Cottage, Queen's Road, Cambridge. 
Schuster, Arthur Yeldall, Twyford, Berkshire. 
SeELIger, Hugo Ritter von Univer sitat, Munich. 
Thomson, Sir Joseph University, Cambridge. 
VoLTERRA, ViTo Universita, Rome. 
Van Der Waals, Johannes D Amsterdam. 
Waldeyer, Wilhelm Univer sitdt Berlin. 
Wolf, Max F, J. C Heidelberg. 
Wundt, Wilhelm Univer sitdt, Leipzig. 
